12780002160 has 60 divisors (see below), whose sum is σ = 42919509672. Its totient is φ = 3408000384.

The previous prime is 12780002149. The next prime is 12780002171. The reversal of 12780002160 is 6120008721.

It is an interprime number because it is at equal distance from previous prime (12780002149) and next prime (12780002171).

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8874282 + ... + 8875721.

Almost surely, 2^12780002160 is an apocalyptic number.

12780002160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12780002160 is an abundant number, since it is smaller than the sum of its proper divisors (30139507512).

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

12780002160 is a wasteful number, since it uses less digits than its factorization.

12780002160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750022 (or 17750013 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 12780002160 in words is "twelve billion, seven hundred eighty million, two thousand, one hundred sixty".