12816132250 has 16 divisors (see below), whose sum is σ = 23991800040. Its totient is φ = 5126452800.

The previous prime is 12816132223. The next prime is 12816132257. The reversal of 12816132250 is 5223161821.

It can be written as a sum of positive squares in 4 ways, for example, as 2753835529 + 10062296721 = 52477^2 + 100311^2 .

It is not an unprimeable number, because it can be changed into a prime (12816132257) 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, 25632015 + ... + 25632514.

Almost surely, 2^12816132250 is an apocalyptic number.

12816132250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12816132250 is a deficient number, since it is larger than the sum of its proper divisors (11175667790).

12816132250 is an equidigital number, since it uses as much as digits as its factorization.

12816132250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51264546 (or 51264536 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 12816132250 in words is "twelve billion, eight hundred sixteen million, one hundred thirty-two thousand, two hundred fifty".