102012112112 has 20 divisors (see below), whose sum is σ = 199605385896. Its totient is φ = 50501044800.

The previous prime is 102012112099. The next prime is 102012112187. The reversal of 102012112112 is 211211210201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31561538 + ... + 31564769.

Almost surely, 2^102012112112 is an apocalyptic number.

It is an amenable number.

102012112112 is a deficient number, since it is larger than the sum of its proper divisors (97593273784).

102012112112 is a wasteful number, since it uses less digits than its factorization.

102012112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63126416 (or 63126410 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102012112112 its reverse (211211210201), we get a palindrome (313223322313).

It can be divided in two parts, 10201 and 2112112, that multiplied together give a palindrome (21545654512).

The spelling of 102012112112 in words is "one hundred two billion, twelve million, one hundred twelve thousand, one hundred twelve".