12401757262721 has 8 divisors (see below), whose sum is σ = 13054705930080. Its totient is φ = 11748831055488.

The previous prime is 12401757262693. The next prime is 12401757262747. The reversal of 12401757262721 is 12726275710421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12401757262721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12401727262721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475696 + ... + 6695921.

It is an arithmetic number, because the mean of its divisors is an integer number (1631838241260).

Almost surely, 2^{12401757262721} is an apocalyptic number.

It is an amenable number.

12401757262721 is a deficient number, since it is larger than the sum of its proper divisors (652948667359).

12401757262721 is a wasteful number, since it uses less digits than its factorization.

12401757262721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230063.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 12401757262721 in words is "twelve trillion, four hundred one billion, seven hundred fifty-seven million, two hundred sixty-two thousand, seven hundred twenty-one".