12261664262 has 16 divisors (see below), whose sum is σ = 19160442000. Its totient is φ = 5879919360.

The previous prime is 12261664249. The next prime is 12261664271. The reversal of 12261664262 is 26246616221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262387 + ... + 1272062.

It is an arithmetic number, because the mean of its divisors is an integer number (1197527625).

Almost surely, 2^12261664262 is an apocalyptic number.

12261664262 is a deficient number, since it is larger than the sum of its proper divisors (6898777738).

12261664262 is a wasteful number, since it uses less digits than its factorization.

12261664262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534551.

The product of its digits is 82944, while the sum is 38.

The spelling of 12261664262 in words is "twelve billion, two hundred sixty-one million, six hundred sixty-four thousand, two hundred sixty-two".