102112302312 has 48 divisors (see below), whose sum is σ = 276582011940. Its totient is φ = 34034005248.

The previous prime is 102112302287. The next prime is 102112302359. The reversal of 102112302312 is 213203211201.

It can be written as a sum of positive squares in 2 ways, for example, as 80716219236 + 21396083076 = 284106^2 + 146274^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706708 + ... + 838844.

Almost surely, 2^102112302312 is an apocalyptic number.

102112302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102112302312 is an abundant number, since it is smaller than the sum of its proper divisors (174469709628).

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

102112302312 is a wasteful number, since it uses less digits than its factorization.

102112302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142882 (or 142875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102112302312 its reverse (213203211201), we get a palindrome (315315513513).

The spelling of 102112302312 in words is "one hundred two billion, one hundred twelve million, three hundred two thousand, three hundred twelve".