12136800250 has 16 divisors (see below), whose sum is σ = 22720090536. Its totient is φ = 4854720000.

The previous prime is 12136800227. The next prime is 12136800253. The reversal of 12136800250 is 5200863121.

It can be written as a sum of positive squares in 4 ways, for example, as 6008885289 + 6127914961 = 77517^2 + 78281^2 .

It is not an unprimeable number, because it can be changed into a prime (12136800253) 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, 24273351 + ... + 24273850.

Almost surely, 2^12136800250 is an apocalyptic number.

12136800250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12136800250 is a deficient number, since it is larger than the sum of its proper divisors (10583290286).

12136800250 is an equidigital number, since it uses as much as digits as its factorization.

12136800250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547218 (or 48547208 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 12136800250 in words is "twelve billion, one hundred thirty-six million, eight hundred thousand, two hundred fifty".