12642550031 has 8 divisors (see below), whose sum is σ = 12913482240. Its totient is φ = 12373506328.

The previous prime is 12642549991. The next prime is 12642550043. The reversal of 12642550031 is 13005524621.

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 12642550031 - 2⁶ = 12642549967 is a prime.

It is a super-2 number, since 2×12642550031² (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 = 12642549976 and 12642550003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642550631) 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, 458591 + ... + 485376.

It is an arithmetic number, because the mean of its divisors is an integer number (1614185280).

Almost surely, 2^12642550031 is an apocalyptic number.

12642550031 is a deficient number, since it is larger than the sum of its proper divisors (270932209).

12642550031 is an equidigital number, since it uses as much as digits as its factorization.

12642550031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944253.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12642550031 in words is "twelve billion, six hundred forty-two million, five hundred fifty thousand, thirty-one".