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10020112212 = 22311110968449
BaseRepresentation
bin10010101010011111…
…01100011101010100
3221212022121102220010
421111033230131110
5131010122042322
64334141440220
7503210356065
oct112517543524
927768542803
1010020112212
114282101680
121b37870070
13c38c0c9a6
146b0aba56c
153d9a3220c
hex2553ec754

10020112212 has 48 divisors (see below), whose sum is σ = 25529112000. Its totient is φ = 3033615360.

The previous prime is 10020112187. The next prime is 10020112309. The reversal of 10020112212 is 21221102001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112164 + ... + 180612.

It is an arithmetic number, because the mean of its divisors is an integer number (531856500).

Almost surely, 210020112212 is an apocalyptic number.

10020112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020112212 is an abundant number, since it is smaller than the sum of its proper divisors (15508999788).

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

10020112212 is a wasteful number, since it uses less digits than its factorization.

10020112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69576 (or 69574 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10020112212 its reverse (21221102001), we get a palindrome (31241214213).

The spelling of 10020112212 in words is "ten billion, twenty million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1109 2218 3327 4436 6654 12199 13308 24398 36597 48796 68449 73194 136898 146388 205347 273796 410694 752939 821388 1505878 2258817 3011756 4517634 9035268 75909941 151819882 227729823 303639764 455459646 835009351 910919292 1670018702 2505028053 3340037404 5010056106 10020112212