12513152042 has 8 divisors (see below), whose sum is σ = 18770222532. Its totient is φ = 6256411200.

The previous prime is 12513152017. The next prime is 12513152051. The reversal of 12513152042 is 24025131521.

It can be written as a sum of positive squares in 2 ways, for example, as 10030222801 + 2482929241 = 100151^2 + 49829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65792 + ... + 171332.

Almost surely, 2^12513152042 is an apocalyptic number.

12513152042 is a deficient number, since it is larger than the sum of its proper divisors (6257070490).

12513152042 is a wasteful number, since it uses less digits than its factorization.

12513152042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164824.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12513152042 its reverse (24025131521), we get a palindrome (36538283563).

The spelling of 12513152042 in words is "twelve billion, five hundred thirteen million, one hundred fifty-two thousand, forty-two".