12052425021 has 32 divisors (see below), whose sum is σ = 20819312640. Its totient is φ = 6022724544.

The previous prime is 12052425013. The next prime is 12052425037.

12052425021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12052425021 - 2³ = 12052425013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12052424982 and 12052425000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052425421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1156605 + ... + 1166978.

It is an arithmetic number, because the mean of its divisors is an integer number (650603520).

Almost surely, 2^12052425021 is an apocalyptic number.

It is an amenable number.

12052425021 is a deficient number, since it is larger than the sum of its proper divisors (8766887619).

12052425021 is a wasteful number, since it uses less digits than its factorization.

12052425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323625.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 12052425021 in words is "twelve billion, fifty-two million, four hundred twenty-five thousand, twenty-one".