12530452402 has 32 divisors (see below), whose sum is σ = 20915435520. Its totient is φ = 5591108160.

The previous prime is 12530452393. The next prime is 12530452421. The reversal of 12530452402 is 20425403521.

12530452402 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854343 + ... + 868885.

It is an arithmetic number, because the mean of its divisors is an integer number (653607360).

Almost surely, 2^12530452402 is an apocalyptic number.

12530452402 is a deficient number, since it is larger than the sum of its proper divisors (8384983118).

12530452402 is a wasteful number, since it uses less digits than its factorization.

12530452402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15658.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12530452402 its reverse (20425403521), we get a palindrome (32955855923).

The spelling of 12530452402 in words is "twelve billion, five hundred thirty million, four hundred fifty-two thousand, four hundred two".