12960555000 has 80 divisors (see below), whose sum is σ = 40488820680. Its totient is φ = 3456144000.

The previous prime is 12960554951. The next prime is 12960555007. The reversal of 12960555000 is 55506921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12960555007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 417019 + ... + 447018.

Almost surely, 2^12960555000 is an apocalyptic number.

12960555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12960555000 is an abundant number, since it is smaller than the sum of its proper divisors (27528265680).

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

12960555000 is an equidigital number, since it uses as much as digits as its factorization.

12960555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864066 (or 864047 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 12960555000 in words is "twelve billion, nine hundred sixty million, five hundred fifty-five thousand".