2512113021 has 80 divisors (see below), whose sum is σ = 4202668800. Its totient is φ = 1482624000.

The previous prime is 2512113017. The next prime is 2512113049. The reversal of 2512113021 is 1203112152.

2512113021 is a `hidden beast` number, since 2 + 512 + 1 + 130 + 21 = 666.

It is not a de Polignac number, because 2512113021 - 2² = 2512113017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2512112985 and 2512113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512103021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6264421 + ... + 6264821.

It is an arithmetic number, because the mean of its divisors is an integer number (52533360).

Almost surely, 2^2512113021 is an apocalyptic number.

It is an amenable number.

2512113021 is a deficient number, since it is larger than the sum of its proper divisors (1690555779).

2512113021 is a wasteful number, since it uses less digits than its factorization.

2512113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2512113021 is about 50120.9838391067. The cubic root of 2512113021 is about 1359.3972640920.

Adding to 2512113021 its reverse (1203112152), we get a palindrome (3715225173).

The spelling of 2512113021 in words is "two billion, five hundred twelve million, one hundred thirteen thousand, twenty-one".