12315025020 has 24 divisors (see below), whose sum is σ = 34482070224. Its totient is φ = 3284006656.

The previous prime is 12315025003. The next prime is 12315025031. The reversal of 12315025020 is 2052051321.

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, 102625149 + ... + 102625268.

It is an arithmetic number, because the mean of its divisors is an integer number (1436752926).

Almost surely, 2^12315025020 is an apocalyptic number.

12315025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12315025020 is an abundant number, since it is smaller than the sum of its proper divisors (22167045204).

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

12315025020 is a wasteful number, since it uses less digits than its factorization.

12315025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205250429 (or 205250427 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 12315025020 its reverse (2052051321), we get a palindrome (14367076341).

The spelling of 12315025020 in words is "twelve billion, three hundred fifteen million, twenty-five thousand, twenty".