12252746917 has 4 divisors (see below), whose sum is σ = 12260607840. Its totient is φ = 12244885996.

The previous prime is 12252746903. The next prime is 12252746927. The reversal of 12252746917 is 71964725221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71964725221 = 29 ⋅2481542249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12252746917 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 (12252746927) 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, 3928123 + ... + 3931240.

It is an arithmetic number, because the mean of its divisors is an integer number (3065151960).

Almost surely, 2^12252746917 is an apocalyptic number.

It is an amenable number.

12252746917 is a deficient number, since it is larger than the sum of its proper divisors (7860923).

12252746917 is an equidigital number, since it uses as much as digits as its factorization.

12252746917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860922.

The product of its digits is 423360, while the sum is 46.

The spelling of 12252746917 in words is "twelve billion, two hundred fifty-two million, seven hundred forty-six thousand, nine hundred seventeen".