12152439937 has 16 divisors (see below), whose sum is σ = 13879615680. Its totient is φ = 10538180800.

The previous prime is 12152439911. The next prime is 12152439961. The reversal of 12152439937 is 73993425121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12152439937 - 2¹¹ = 12152437889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152439437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203014 + ... + 255967.

It is an arithmetic number, because the mean of its divisors is an integer number (867475980).

Almost surely, 2^12152439937 is an apocalyptic number.

It is an amenable number.

12152439937 is a deficient number, since it is larger than the sum of its proper divisors (1727175743).

12152439937 is a wasteful number, since it uses less digits than its factorization.

12152439937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459104.

The product of its digits is 408240, while the sum is 46.

The spelling of 12152439937 in words is "twelve billion, one hundred fifty-two million, four hundred thirty-nine thousand, nine hundred thirty-seven".