12500363650 has 12 divisors (see below), whose sum is σ = 23250676482. Its totient is φ = 5000145440.

The previous prime is 12500363641. The next prime is 12500363657. The reversal of 12500363650 is 5636300521.

It can be written as a sum of positive squares in 3 ways, for example, as 4508182449 + 7992181201 = 67143^2 + 89399^2 .

It is not an unprimeable number, because it can be changed into a prime (12500363657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125003587 + ... + 125003686.

Almost surely, 2^12500363650 is an apocalyptic number.

12500363650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500363650 is a deficient number, since it is larger than the sum of its proper divisors (10750312832).

12500363650 is a wasteful number, since it uses less digits than its factorization.

12500363650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250007285 (or 250007280 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 12500363650 in words is "twelve billion, five hundred million, three hundred sixty-three thousand, six hundred fifty".