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102100001122212 = 2238508333426851
BaseRepresentation
bin10111001101110000000010…
…010011000110011110100100
3111101111122221121220201212220
4113031300002103012132210
5101340301300241402322
61001052032030512340
730335324131151502
oct2715600223063644
9441448847821786
10102100001122212
112a59440498a205
12b54b7b79656b0
1344c7cb14c0782
141b2d948935672
15bc0cc6b5955c
hex5cdc024c67a4

102100001122212 has 12 divisors (see below), whose sum is σ = 238233335951856. Its totient is φ = 34033333707400.

The previous prime is 102100001122211. The next prime is 102100001122247. The reversal of 102100001122212 is 212221100001201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102100001122191 and 102100001122200.

It is not an unprimeable number, because it can be changed into a prime (102100001122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254166713414 + ... + 4254166713437.

It is an arithmetic number, because the mean of its divisors is an integer number (19852777995988).

Almost surely, 2102100001122212 is an apocalyptic number.

102100001122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102100001122212 is an abundant number, since it is smaller than the sum of its proper divisors (136133334829644).

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

102100001122212 is a wasteful number, since it uses less digits than its factorization.

102100001122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508333426858 (or 8508333426856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102100001122212 its reverse (212221100001201), we get a palindrome (314321101123413).

The spelling of 102100001122212 in words is "one hundred two trillion, one hundred billion, one million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 8508333426851 17016666853702 25525000280553 34033333707404 51050000561106 102100001122212