102320112 has 20 divisors (see below), whose sum is σ = 264327080. Its totient is φ = 34106688.

The previous prime is 102320107. The next prime is 102320129. The reversal of 102320112 is 211023201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065787 + ... + 1065882.

It is an arithmetic number, because the mean of its divisors is an integer number (13216354).

Almost surely, 2^102320112 is an apocalyptic number.

102320112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102320112 is an abundant number, since it is smaller than the sum of its proper divisors (162006968).

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

102320112 is a wasteful number, since it uses less digits than its factorization.

102320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131680 (or 2131674 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102320112 is about 10115.3404292688. The cubic root of 102320112 is about 467.7211429568.

Adding to 102320112 its reverse (211023201), we get a palindrome (313343313).

The spelling of 102320112 in words is "one hundred two million, three hundred twenty thousand, one hundred twelve".