12130115402 has 24 divisors (see below), whose sum is σ = 18495502956. Its totient is φ = 5965906688.

The previous prime is 12130115399. The next prime is 12130115423. The reversal of 12130115402 is 20451103121.

12130115402 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 550418521 + 11579696881 = 23461^2 + 107609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21777308 + ... + 21777864.

Almost surely, 2^12130115402 is an apocalyptic number.

12130115402 is a deficient number, since it is larger than the sum of its proper divisors (6365387554).

12130115402 is an equidigital number, since it uses as much as digits as its factorization.

12130115402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12130115402 its reverse (20451103121), we get a palindrome (32581218523).

The spelling of 12130115402 in words is "twelve billion, one hundred thirty million, one hundred fifteen thousand, four hundred two".