12576257850 has 48 divisors (see below), whose sum is σ = 33588287712. Its totient is φ = 3095693760.

The previous prime is 12576257849. The next prime is 12576257851. The reversal of 12576257850 is 5875267521.

It is an interprime number because it is at equal distance from previous prime (12576257849) and next prime (12576257851).

It is a self number, because there is not a number n which added to its sum of digits gives 12576257850.

It is not an unprimeable number, because it can be changed into a prime (12576257851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3222732 + ... + 3226631.

It is an arithmetic number, because the mean of its divisors is an integer number (699755994).

Almost surely, 2^12576257850 is an apocalyptic number.

12576257850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12576257850 is an abundant number, since it is smaller than the sum of its proper divisors (21012029862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12576257850 is a wasteful number, since it uses less digits than its factorization.

12576257850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449391 (or 6449386 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 12576257850 in words is "twelve billion, five hundred seventy-six million, two hundred fifty-seven thousand, eight hundred fifty".