12130203042 has 24 divisors (see below), whose sum is σ = 26287033500. Its totient is φ = 4042643040.

The previous prime is 12130203037. The next prime is 12130203061. The reversal of 12130203042 is 24030203121.

It can be written as a sum of positive squares in 2 ways, for example, as 11778977961 + 351225081 = 108531^2 + 18741^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40084 + ... + 160832.

Almost surely, 2^12130203042 is an apocalyptic number.

12130203042 is an abundant number, since it is smaller than the sum of its proper divisors (14156830458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12130203042 is a wasteful number, since it uses less digits than its factorization.

12130203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126338 (or 126335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12130203042 its reverse (24030203121), we get a palindrome (36160406163).

The spelling of 12130203042 in words is "twelve billion, one hundred thirty million, two hundred three thousand, forty-two".