12204456261531 has 16 divisors (see below), whose sum is σ = 16279886275200. Its totient is φ = 8132666035968.

The previous prime is 12204456261521. The next prime is 12204456261533. The reversal of 12204456261531 is 13516265440221.

It is not a de Polignac number, because 12204456261531 - 2⁵ = 12204456261499 is a prime.

It is a super-2 number, since 2×12204456261531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12204456261533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61825035 + ... + 62022123.

It is an arithmetic number, because the mean of its divisors is an integer number (1017492892200).

Almost surely, 2^{12204456261531} is an apocalyptic number.

12204456261531 is a deficient number, since it is larger than the sum of its proper divisors (4075430013669).

12204456261531 is a wasteful number, since it uses less digits than its factorization.

12204456261531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206218.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 12204456261531 in words is "twelve trillion, two hundred four billion, four hundred fifty-six million, two hundred sixty-one thousand, five hundred thirty-one".