12944529557336 has 64 divisors (see below), whose sum is σ = 27041026521600. Its totient is φ = 5768016726528.

The previous prime is 12944529557243. The next prime is 12944529557347. The reversal of 12944529557336 is 63375592544921.

It is a super-2 number, since 2×12944529557336² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50247770 + ... + 50504726.

It is an arithmetic number, because the mean of its divisors is an integer number (422516039400).

Almost surely, 2^{12944529557336} is an apocalyptic number.

It is an amenable number.

12944529557336 is an abundant number, since it is smaller than the sum of its proper divisors (14096496964264).

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

12944529557336 is a wasteful number, since it uses less digits than its factorization.

12944529557336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273708 (or 273704 counting only the distinct ones).

The product of its digits is 244944000, while the sum is 65.

The spelling of 12944529557336 in words is "twelve trillion, nine hundred forty-four billion, five hundred twenty-nine million, five hundred fifty-seven thousand, three hundred thirty-six".