102012012112 has 20 divisors (see below), whose sum is σ = 197655675616. Its totient is φ = 51004095840.

The previous prime is 102012012061. The next prime is 102012012127. The reversal of 102012012112 is 211210210201.

It is a junction number, because it is equal to n+sod(n) for n = 102012012092 and 102012012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386023 + ... + 594169.

Almost surely, 2^102012012112 is an apocalyptic number.

It is an amenable number.

102012012112 is a deficient number, since it is larger than the sum of its proper divisors (95643663504).

102012012112 is a wasteful number, since it uses less digits than its factorization.

102012012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238786 (or 238780 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012012112 its reverse (211210210201), we get a palindrome (313222222313).

The spelling of 102012012112 in words is "one hundred two billion, twelve million, twelve thousand, one hundred twelve".