12164564231 has 8 divisors (see below), whose sum is σ = 12695395680. Its totient is φ = 11633894272.

The previous prime is 12164564227. The next prime is 12164564273. The reversal of 12164564231 is 13246546121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12164564231 - 2² = 12164564227 is a prime.

It is a super-2 number, since 2×12164564231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12164564191 and 12164564200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12164564221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128675 + ... + 202203.

It is an arithmetic number, because the mean of its divisors is an integer number (1586924460).

Almost surely, 2^12164564231 is an apocalyptic number.

12164564231 is a deficient number, since it is larger than the sum of its proper divisors (530831449).

12164564231 is an equidigital number, since it uses as much as digits as its factorization.

12164564231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80745.

The product of its digits is 34560, while the sum is 35.

The spelling of 12164564231 in words is "twelve billion, one hundred sixty-four million, five hundred sixty-four thousand, two hundred thirty-one".