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102211112001212 = 2225552778000303
BaseRepresentation
bin10111001111010111100001…
…000001011101111010111100
3111101220021202010122012202122
4113033113201001131322330
5101344111324133014322
61001215045302342112
730346336432065314
oct2717274101357274
9441807663565678
10102211112001212
112a6275420a5135
12b56924672a938
13450560abaa016
141b3508948a444
15bc3b2b536442
hex5cf5e105debc

102211112001212 has 6 divisors (see below), whose sum is σ = 178869446002128. Its totient is φ = 51105556000604.

The previous prime is 102211112001179. The next prime is 102211112001217. The reversal of 102211112001212 is 212100211112201.

It is a super-2 number, since 2×1022111120012122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211112001217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776389000148 + ... + 12776389000155.

It is an arithmetic number, because the mean of its divisors is an integer number (29811574333688).

Almost surely, 2102211112001212 is an apocalyptic number.

It is an amenable number.

102211112001212 is a deficient number, since it is larger than the sum of its proper divisors (76658334000916).

102211112001212 is a wasteful number, since it uses less digits than its factorization.

102211112001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552778000307 (or 25552778000305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102211112001212 its reverse (212100211112201), we get a palindrome (314311323113413).

The spelling of 102211112001212 in words is "one hundred two trillion, two hundred eleven billion, one hundred twelve million, one thousand, two hundred twelve".

Divisors: 1 2 4 25552778000303 51105556000606 102211112001212