102312112 has 40 divisors (see below), whose sum is σ = 238476800. Its totient is φ = 41539392.

The previous prime is 102312083. The next prime is 102312139. The reversal of 102312112 is 211213201.

It is a junction number, because it is equal to n+sod(n) for n = 102312092 and 102312101.

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, 21912 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (5961920).

Almost surely, 2^102312112 is an apocalyptic number.

It is an amenable number.

102312112 is an abundant number, since it is smaller than the sum of its proper divisors (136164688).

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

102312112 is a wasteful number, since it uses less digits than its factorization.

102312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48113 (or 48107 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102312112 is about 10114.9449825493. The cubic root of 102312112 is about 467.7089528911.

Adding to 102312112 its reverse (211213201), we get a palindrome (313525313).

The spelling of 102312112 in words is "one hundred two million, three hundred twelve thousand, one hundred twelve".