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102203201032212 = 22373191574286179
BaseRepresentation
bin10111001111010000001001…
…011111100001000000010100
3111101212112022210202100102210
4113033100021133201000110
5101343444123431012322
61001211300303033420
730345636412003620
oct2717201137410024
9441775283670383
10102203201032212
112a624152607025
12b5677b929b870
134504949c39a87
141b3493895a180
15bc3816c7570c
hex5cf4097e1014

102203201032212 has 96 divisors (see below), whose sum is σ = 281364331601920. Its totient is φ = 28255856952960.

The previous prime is 102203201032211. The next prime is 102203201032223. The reversal of 102203201032212 is 212230102302201.

It is a super-2 number, since 2×1022032010322122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203201032211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21701739 + ... + 25987917.

Almost surely, 2102203201032212 is an apocalyptic number.

102203201032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102203201032212 is an abundant number, since it is smaller than the sum of its proper divisors (179161130569708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102203201032212 is a wasteful number, since it uses less digits than its factorization.

102203201032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295381 (or 4295379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102203201032212 its reverse (212230102302201), we get a palindrome (314433303334413).

The spelling of 102203201032212 in words is "one hundred two trillion, two hundred three billion, two hundred one million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 372 434 651 868 1302 2604 9157 18314 27471 36628 54942 64099 109884 128198 192297 256396 283867 384594 567734 769188 851601 1135468 1703202 1987069 3406404 3974138 4286179 5961207 7948276 8572358 11922414 12858537 17144716 23844828 25717074 30003253 51434148 60006506 90009759 120013012 132871549 180019518 265743098 360039036 398614647 531486196 797229294 930100843 1594458588 1860201686 2790302529 3720403372 5580605058 11161210116 39248541103 78497082206 117745623309 156994164412 235491246618 274739787721 470982493236 549479575442 824219363163 1098959150884 1216704774193 1648438726326 2433409548386 3296877452652 3650114322579 4866819096772 7300228645158 8516933419351 14600457290316 17033866838702 25550800258053 34067733677404 51101600516106 102203201032212