102112120012 has 24 divisors (see below), whose sum is σ = 205477158656. Its totient is φ = 43493854608.

The previous prime is 102112120003. The next prime is 102112120013. The reversal of 102112120012 is 210021211201.

102112120012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102112119974 and 102112120001.

It is not an unprimeable number, because it can be changed into a prime (102112120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11182128 + ... + 11191255.

Almost surely, 2^102112120012 is an apocalyptic number.

It is an amenable number.

102112120012 is an abundant number, since it is smaller than the sum of its proper divisors (103365038644).

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

102112120012 is a wasteful number, since it uses less digits than its factorization.

102112120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22373557 (or 22373555 counting only the distinct ones).

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

Adding to 102112120012 its reverse (210021211201), we get a palindrome (312133331213).

The spelling of 102112120012 in words is "one hundred two billion, one hundred twelve million, one hundred twenty thousand, twelve".