12480645072 has 40 divisors (see below), whose sum is σ = 36847619776. Its totient is φ = 3565898496.

The previous prime is 12480645017. The next prime is 12480645091. The reversal of 12480645072 is 27054608421.

It is a self number, because there is not a number n which added to its sum of digits gives 12480645072.

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, 18572053 + ... + 18572724.

Almost surely, 2^12480645072 is an apocalyptic number.

12480645072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12480645072 is an abundant number, since it is smaller than the sum of its proper divisors (24366974704).

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

12480645072 is a wasteful number, since it uses less digits than its factorization.

12480645072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37144795 (or 37144789 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 12480645072 in words is "twelve billion, four hundred eighty million, six hundred forty-five thousand, seventy-two".