12390235320 has 64 divisors (see below), whose sum is σ = 37179648000. Its totient is φ = 3303267968.

The previous prime is 12390235283. The next prime is 12390235337. The reversal of 12390235320 is 2353209321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623701 + ... + 643259.

It is an arithmetic number, because the mean of its divisors is an integer number (580932000).

Almost surely, 2^12390235320 is an apocalyptic number.

12390235320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12390235320 is an abundant number, since it is smaller than the sum of its proper divisors (24789412680).

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

12390235320 is a wasteful number, since it uses less digits than its factorization.

12390235320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24852 (or 24848 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 12390235320 in words is "twelve billion, three hundred ninety million, two hundred thirty-five thousand, three hundred twenty".