12205074505431 has 32 divisors (see below), whose sum is σ = 17323087638528. Its totient is φ = 7617031976960.

The previous prime is 12205074505399. The next prime is 12205074505457. The reversal of 12205074505431 is 13450547050221.

It is a cyclic number.

It is not a de Polignac number, because 12205074505431 - 2⁵ = 12205074505399 is a prime.

It is a super-2 number, since 2×12205074505431² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12205074505431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205074505031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81623071 + ... + 81772463.

It is an arithmetic number, because the mean of its divisors is an integer number (541346488704).

Almost surely, 2^{12205074505431} is an apocalyptic number.

12205074505431 is a deficient number, since it is larger than the sum of its proper divisors (5118013133097).

12205074505431 is a wasteful number, since it uses less digits than its factorization.

12205074505431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157991.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 12205074505431 in words is "twelve trillion, two hundred five billion, seventy-four million, five hundred five thousand, four hundred thirty-one".