12740236353866 has 32 divisors (see below), whose sum is σ = 22200876472320. Its totient is φ = 5370350554800.

The previous prime is 12740236353847. The next prime is 12740236353881. The reversal of 12740236353866 is 66835363204721.

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, 14878430 + ... + 15711401.

It is an arithmetic number, because the mean of its divisors is an integer number (693777389760).

Almost surely, 2^{12740236353866} is an apocalyptic number.

12740236353866 is a deficient number, since it is larger than the sum of its proper divisors (9460640118454).

12740236353866 is a wasteful number, since it uses less digits than its factorization.

12740236353866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590330.

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 12740236353866 in words is "twelve trillion, seven hundred forty billion, two hundred thirty-six million, three hundred fifty-three thousand, eight hundred sixty-six".