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102212112212 = 22710335441093
BaseRepresentation
bin101111100110001010…
…0010000111101010100
3100202211100010021201122
41133030110100331110
53133312300042322
6114542224143112
710245624422150
oct1371424207524
9322740107648
10102212112212
113a391088811
1217986767a98
13983bbc2192
144d38b72060
1529d354a442
hex17cc510f54

102212112212 has 24 divisors (see below), whose sum is σ = 206408931456. Its totient is φ = 43379896608.

The previous prime is 102212112151. The next prime is 102212112229. The reversal of 102212112212 is 212211212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17717663 + ... + 17723430.

It is an arithmetic number, because the mean of its divisors is an integer number (8600372144).

Almost surely, 2102212112212 is an apocalyptic number.

It is an amenable number.

102212112212 is an abundant number, since it is smaller than the sum of its proper divisors (104196819244).

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

102212112212 is a wasteful number, since it uses less digits than its factorization.

102212112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35441207 (or 35441205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212112212 its reverse (212211212201), we get a palindrome (314423324413).

The spelling of 102212112212 in words is "one hundred two billion, two hundred twelve million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 103 206 412 721 1442 2884 35441093 70882186 141764372 248087651 496175302 992350604 3650432579 7300865158 14601730316 25553028053 51106056106 102212112212