102320012112 has 80 divisors (see below), whose sum is σ = 273006478848. Its totient is φ = 32987934720.

The previous prime is 102320012059. The next prime is 102320012167. The reversal of 102320012112 is 211210023201.

It is a junction number, because it is equal to n+sod(n) for n = 102320012091 and 102320012100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768668 + ... + 2805380.

Almost surely, 2^102320012112 is an apocalyptic number.

102320012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102320012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136503239424).

102320012112 is an abundant number, since it is smaller than the sum of its proper divisors (170686466736).

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

102320012112 is a wasteful number, since it uses less digits than its factorization.

102320012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38628 (or 38622 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102320012112 its reverse (211210023201), we get a palindrome (313530035313).

The spelling of 102320012112 in words is "one hundred two billion, three hundred twenty million, twelve thousand, one hundred twelve".