12530210511 has 32 divisors (see below), whose sum is σ = 20572005888. Its totient is φ = 6606253440.

The previous prime is 12530210477. The next prime is 12530210527. The reversal of 12530210511 is 11501203521.

It is not a de Polignac number, because 12530210511 - 2³⁰ = 11456468687 is a prime.

It is a super-2 number, since 2×12530210511² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530110511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648685 + ... + 667721.

It is an arithmetic number, because the mean of its divisors is an integer number (642875184).

Almost surely, 2^12530210511 is an apocalyptic number.

12530210511 is a deficient number, since it is larger than the sum of its proper divisors (8041795377).

12530210511 is a wasteful number, since it uses less digits than its factorization.

12530210511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21471.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 12530210511 in words is "twelve billion, five hundred thirty million, two hundred ten thousand, five hundred eleven".