12997333392720 has 160 divisors (see below), whose sum is σ = 42020247198720. Its totient is φ = 3319571496960.

The previous prime is 12997333392713. The next prime is 12997333392763. The reversal of 12997333392720 is 2729333379921.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8283235 + ... + 9726594.

It is an arithmetic number, because the mean of its divisors is an integer number (262626544992).

Almost surely, 2^{12997333392720} is an apocalyptic number.

12997333392720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12997333392720 is an abundant number, since it is smaller than the sum of its proper divisors (29022913806000).

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

12997333392720 is a wasteful number, since it uses less digits than its factorization.

12997333392720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009973 (or 18009967 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 60.

The spelling of 12997333392720 in words is "twelve trillion, nine hundred ninety-seven billion, three hundred thirty-three million, three hundred ninety-two thousand, seven hundred twenty".