102112123012 has 48 divisors (see below), whose sum is σ = 186328074240. Its totient is φ = 48909744000.

The previous prime is 102112122961. The next prime is 102112123013. The reversal of 102112123012 is 210321211201.

It is not an unprimeable number, because it can be changed into a prime (102112123013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17581413 + ... + 17587219.

It is an arithmetic number, because the mean of its divisors is an integer number (3881834880).

Almost surely, 2^102112123012 is an apocalyptic number.

It is an amenable number.

102112123012 is a deficient number, since it is larger than the sum of its proper divisors (84215951228).

102112123012 is a wasteful number, since it uses less digits than its factorization.

102112123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7250 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102112123012 its reverse (210321211201), we get a palindrome (312433334213).

The spelling of 102112123012 in words is "one hundred two billion, one hundred twelve million, one hundred twenty-three thousand, twelve".