12202502500 has 30 divisors (see below), whose sum is σ = 26684437934. Its totient is φ = 4881000000.

The previous prime is 12202502479. The next prime is 12202502513. The reversal of 12202502500 is 520520221.

It can be written as a sum of positive squares in 5 ways, for example, as 3171041344 + 9031461156 = 56312^2 + 95034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2438001 + ... + 2443000.

Almost surely, 2^12202502500 is an apocalyptic number.

12202502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202502500 is an abundant number, since it is smaller than the sum of its proper divisors (14481935434).

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

12202502500 is an equidigital number, since it uses as much as digits as its factorization.

12202502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881025 (or 4881008 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The spelling of 12202502500 in words is "twelve billion, two hundred two million, five hundred two thousand, five hundred".