12840062606464 has 16 divisors (see below), whose sum is σ = 25579812224070. Its totient is φ = 6420031303168.

The previous prime is 12840062606417. The next prime is 12840062606471. The reversal of 12840062606464 is 46460626004821.

It can be written as a sum of positive squares in only one way, i.e., 11937577806400 + 902484800064 = 3455080^2 + 949992^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156494429 + ... + 50156494684.

Almost surely, 2^{12840062606464} is an apocalyptic number.

It is an amenable number.

12840062606464 is a deficient number, since it is larger than the sum of its proper divisors (12739749617606).

12840062606464 is an equidigital number, since it uses as much as digits as its factorization.

12840062606464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100312989127 (or 100312989115 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 12840062606464 in words is "twelve trillion, eight hundred forty billion, sixty-two million, six hundred six thousand, four hundred sixty-four".