12626125021 has 8 divisors (see below), whose sum is σ = 12842144640. Its totient is φ = 12410172768.

The previous prime is 12626125019. The next prime is 12626125033. The reversal of 12626125021 is 12052162621.

12626125021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12626125021 - 2¹ = 12626125019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626125091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490545 + ... + 515641.

It is an arithmetic number, because the mean of its divisors is an integer number (1605268080).

Almost surely, 2^12626125021 is an apocalyptic number.

It is an amenable number.

12626125021 is a deficient number, since it is larger than the sum of its proper divisors (216019619).

12626125021 is an equidigital number, since it uses as much as digits as its factorization.

12626125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33683.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12626125021 its reverse (12052162621), we get a palindrome (24678287642).

The spelling of 12626125021 in words is "twelve billion, six hundred twenty-six million, one hundred twenty-five thousand, twenty-one".