12164252039 has 4 divisors (see below), whose sum is σ = 12284690280. Its totient is φ = 12043813800.

The previous prime is 12164252027. The next prime is 12164252041. The reversal of 12164252039 is 93025246121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12164252039 - 2³² = 7869284743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12164252059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60218969 + ... + 60219170.

It is an arithmetic number, because the mean of its divisors is an integer number (3071172570).

Almost surely, 2^12164252039 is an apocalyptic number.

12164252039 is a deficient number, since it is larger than the sum of its proper divisors (120438241).

12164252039 is a wasteful number, since it uses less digits than its factorization.

12164252039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120438240.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12164252039 in words is "twelve billion, one hundred sixty-four million, two hundred fifty-two thousand, thirty-nine".