12047980416 has 32 divisors (see below), whose sum is σ = 32002449000. Its totient is φ = 4015993344.

The previous prime is 12047980409. The next prime is 12047980447. The reversal of 12047980416 is 61408974021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15687091 + ... + 15687858.

Almost surely, 2^12047980416 is an apocalyptic number.

12047980416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12047980416 is an abundant number, since it is smaller than the sum of its proper divisors (19954468584).

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

12047980416 is an equidigital number, since it uses as much as digits as its factorization.

12047980416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31374966 (or 31374954 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12047980416 in words is "twelve billion, forty-seven million, nine hundred eighty thousand, four hundred sixteen".