10320312120 has 32 divisors (see below), whose sum is σ = 30960936720. Its totient is φ = 2752083200.

The previous prime is 10320312113. The next prime is 10320312131. The reversal of 10320312120 is 2121302301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10320312120.

It is a congruent number.

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, 43001181 + ... + 43001420.

Almost surely, 2^10320312120 is an apocalyptic number.

10320312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320312120 is an abundant number, since it is smaller than the sum of its proper divisors (20640624600).

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

10320312120 is a wasteful number, since it uses less digits than its factorization.

10320312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86002615 (or 86002611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10320312120 its reverse (2121302301), we get a palindrome (12441614421).

The spelling of 10320312120 in words is "ten billion, three hundred twenty million, three hundred twelve thousand, one hundred twenty".