12431802076373 has 4 divisors (see below), whose sum is σ = 12496215558828. Its totient is φ = 12367388593920.

The previous prime is 12431802076363. The next prime is 12431802076391. The reversal of 12431802076373 is 37367020813421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6195429639844 + 6236372436529 = 2489062^2 + 2497273^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431802076373 - 2⁸ = 12431802076117 is a prime.

It is a super-2 number, since 2×12431802076373² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431802076363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32206740938 + ... + 32206741323.

It is an arithmetic number, because the mean of its divisors is an integer number (3124053889707).

Almost surely, 2^{12431802076373} is an apocalyptic number.

It is an amenable number.

12431802076373 is a deficient number, since it is larger than the sum of its proper divisors (64413482455).

12431802076373 is an equidigital number, since it uses as much as digits as its factorization.

12431802076373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64413482454.

The product of its (nonzero) digits is 1016064, while the sum is 47.

Adding to 12431802076373 its reverse (37367020813421), we get a palindrome (49798822889794).

The spelling of 12431802076373 in words is "twelve trillion, four hundred thirty-one billion, eight hundred two million, seventy-six thousand, three hundred seventy-three".