12309892431 has 8 divisors (see below), whose sum is σ = 16610939520. Its totient is φ = 8107720152.

The previous prime is 12309892411. The next prime is 12309892447. The reversal of 12309892431 is 13429890321.

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

It is not a de Polignac number, because 12309892431 - 2⁶ = 12309892367 is a prime.

It is a super-2 number, since 2×12309892431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309892411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24718411 + ... + 24718908.

It is an arithmetic number, because the mean of its divisors is an integer number (2076367440).

Almost surely, 2^12309892431 is an apocalyptic number.

12309892431 is a deficient number, since it is larger than the sum of its proper divisors (4301047089).

12309892431 is an equidigital number, since it uses as much as digits as its factorization.

12309892431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49437405.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 12309892431 in words is "twelve billion, three hundred nine million, eight hundred ninety-two thousand, four hundred thirty-one".