15042431212 has 6 divisors (see below), whose sum is σ = 26324254628. Its totient is φ = 7521215604.

The previous prime is 15042431191. The next prime is 15042431251. The reversal of 15042431212 is 21213424051.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1880303898 + ... + 1880303905.

Almost surely, 2^15042431212 is an apocalyptic number.

It is an amenable number.

15042431212 is a deficient number, since it is larger than the sum of its proper divisors (11281823416).

15042431212 is a wasteful number, since it uses less digits than its factorization.

15042431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760607807 (or 3760607805 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15042431212 its reverse (21213424051), we get a palindrome (36255855263).

The spelling of 15042431212 in words is "fifteen billion, forty-two million, four hundred thirty-one thousand, two hundred twelve".