12520513143 has 16 divisors (see below), whose sum is σ = 18550739200. Its totient is φ = 8346184920.

The previous prime is 12520513127. The next prime is 12520513153. The reversal of 12520513143 is 34131502521.

12520513143 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 0 + 513 + 143 = 666.

It is not a de Polignac number, because 12520513143 - 2⁴ = 12520513127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520513123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393438 + ... + 424068.

It is an arithmetic number, because the mean of its divisors is an integer number (1159421200).

Almost surely, 2^12520513143 is an apocalyptic number.

12520513143 is a deficient number, since it is larger than the sum of its proper divisors (6030226057).

12520513143 is a wasteful number, since it uses less digits than its factorization.

12520513143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45779 (or 45773 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 12520513143 in words is "twelve billion, five hundred twenty million, five hundred thirteen thousand, one hundred forty-three".