12245939900 has 36 divisors (see below), whose sum is σ = 27191691912. Its totient is φ = 4784458560.

The previous prime is 12245939899. The next prime is 12245939903. The reversal of 12245939900 is 993954221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245939903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1419647 + ... + 1428246.

Almost surely, 2^12245939900 is an apocalyptic number.

12245939900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12245939900 is an abundant number, since it is smaller than the sum of its proper divisors (14945752012).

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

12245939900 is a wasteful number, since it uses less digits than its factorization.

12245939900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847950 (or 2847943 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 12245939900 in words is "twelve billion, two hundred forty-five million, nine hundred thirty-nine thousand, nine hundred".