12252746919 has 16 divisors (see below), whose sum is σ = 18695156480. Its totient is φ = 6992455680.

The previous prime is 12252746903. The next prime is 12252746927. The reversal of 12252746919 is 91964725221.

It is a happy number.

It is not a de Polignac number, because 12252746919 - 2⁴ = 12252746903 is a prime.

It is a super-2 number, since 2×12252746919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252746939) 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, 363217 + ... + 395514.

It is an arithmetic number, because the mean of its divisors is an integer number (1168447280).

Almost surely, 2^12252746919 is an apocalyptic number.

12252746919 is a deficient number, since it is larger than the sum of its proper divisors (6442409561).

12252746919 is an equidigital number, since it uses as much as digits as its factorization.

12252746919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759510.

The product of its digits is 544320, while the sum is 48.

The spelling of 12252746919 in words is "twelve billion, two hundred fifty-two million, seven hundred forty-six thousand, nine hundred nineteen".