12015472020 has 48 divisors (see below), whose sum is σ = 33651804480. Its totient is φ = 3203318016.

The previous prime is 12015472003. The next prime is 12015472039. The reversal of 12015472020 is 2027451021.

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, 237264 + ... + 283416.

It is an arithmetic number, because the mean of its divisors is an integer number (701079260).

Almost surely, 2^12015472020 is an apocalyptic number.

12015472020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12015472020 is an abundant number, since it is smaller than the sum of its proper divisors (21636332460).

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

12015472020 is a wasteful number, since it uses less digits than its factorization.

12015472020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50504 (or 50502 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The spelling of 12015472020 in words is "twelve billion, fifteen million, four hundred seventy-two thousand, twenty".