12457145299 has 8 divisors (see below), whose sum is σ = 13013536032. Its totient is φ = 11901985920.

The previous prime is 12457145297. The next prime is 12457145303. The reversal of 12457145299 is 99254175421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12457145299 - 2¹ = 12457145297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12457145291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287124 + ... + 327649.

It is an arithmetic number, because the mean of its divisors is an integer number (1626692004).

Almost surely, 2^12457145299 is an apocalyptic number.

12457145299 is a deficient number, since it is larger than the sum of its proper divisors (556390733).

12457145299 is an equidigital number, since it uses as much as digits as its factorization.

12457145299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615677.

The product of its digits is 907200, while the sum is 49.

The spelling of 12457145299 in words is "twelve billion, four hundred fifty-seven million, one hundred forty-five thousand, two hundred ninety-nine".