12997401264000 has 768 divisors, whose sum is σ = 48659307802560. Its totient is φ = 3447816192000.

The previous prime is 12997401263981. The next prime is 12997401264049. The reversal of 12997401264000 is 46210479921.

12997401264000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 750375340 + ... + 750392660.

Almost surely, 2^{12997401264000} is an apocalyptic number.

12997401264000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12997401264000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24329653901280).

12997401264000 is an abundant number, since it is smaller than the sum of its proper divisors (35661906538560).

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

12997401264000 is an equidigital number, since it uses as much as digits as its factorization.

12997401264000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17558 (or 17524 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 12997401264000 in words is "twelve trillion, nine hundred ninety-seven billion, four hundred one million, two hundred sixty-four thousand".