12312650531573 has 6 divisors (see below), whose sum is σ = 14322879189846. Its totient is φ = 10553700455592.

The previous prime is 12312650531537. The next prime is 12312650531609. The reversal of 12312650531573 is 37513505621321.

It is an interprime number because it is at equal distance from previous prime (12312650531537) and next prime (12312650531609).

It can be written as a sum of positive squares in only one way, i.e., 8044926704164 + 4267723827409 = 2836358^2 + 2065847^2 .

It is not a de Polignac number, because 12312650531573 - 2⁸ = 12312650531317 is a prime.

It is a super-2 number, since 2×12312650531573² (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 (12312650531513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125639291090 + ... + 125639291187.

It is an arithmetic number, because the mean of its divisors is an integer number (2387146531641).

Almost surely, 2^{12312650531573} is an apocalyptic number.

It is an amenable number.

12312650531573 is a deficient number, since it is larger than the sum of its proper divisors (2010228658273).

12312650531573 is an equidigital number, since it uses as much as digits as its factorization.

12312650531573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251278582291 (or 251278582284 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 12312650531573 in words is "twelve trillion, three hundred twelve billion, six hundred fifty million, five hundred thirty-one thousand, five hundred seventy-three".