12312544001 has 4 divisors (see below), whose sum is σ = 12316811712. Its totient is φ = 12308276292.

The previous prime is 12312543961. The next prime is 12312544021. The reversal of 12312544001 is 10044521321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10044521321 = 5153 ⋅1949257.

It is a cyclic number.

It is not a de Polignac number, because 12312544001 - 2³⁰ = 11238802177 is a prime.

It is a super-2 number, since 2×12312544001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312544021) 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, 2129525 + ... + 2135298.

It is an arithmetic number, because the mean of its divisors is an integer number (3079202928).

Almost surely, 2^12312544001 is an apocalyptic number.

It is an amenable number.

12312544001 is a deficient number, since it is larger than the sum of its proper divisors (4267711).

12312544001 is an equidigital number, since it uses as much as digits as its factorization.

12312544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267710.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 12312544001 in words is "twelve billion, three hundred twelve million, five hundred forty-four thousand, one".