102012212211112 has 32 divisors (see below), whose sum is σ = 220045263822720. Its totient is φ = 43429986273600.

The previous prime is 102012212211083. The next prime is 102012212211167. The reversal of 102012212211112 is 211112212210201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102012212211112.

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, 6031934083 + ... + 6031950994.

It is an arithmetic number, because the mean of its divisors is an integer number (6876414494460).

Almost surely, 2^{102012212211112} is an apocalyptic number.

It is an amenable number.

102012212211112 is an abundant number, since it is smaller than the sum of its proper divisors (118033051611608).

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

102012212211112 is a wasteful number, since it uses less digits than its factorization.

102012212211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063885241 (or 12063885237 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102012212211112 its reverse (211112212210201), we get a palindrome (313124424421313).

The spelling of 102012212211112 in words is "one hundred two trillion, twelve billion, two hundred twelve million, two hundred eleven thousand, one hundred twelve".