12243739020 has 48 divisors (see below), whose sum is σ = 34372988160. Its totient is φ = 3256376256.

The previous prime is 12243739019. The next prime is 12243739037. The reversal of 12243739020 is 2093734221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246472 + ... + 291951.

It is an arithmetic number, because the mean of its divisors is an integer number (716103920).

Almost surely, 2^12243739020 is an apocalyptic number.

12243739020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243739020 is an abundant number, since it is smaller than the sum of its proper divisors (22129249140).

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

12243739020 is a wasteful number, since it uses less digits than its factorization.

12243739020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538814 (or 538812 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 12243739020 in words is "twelve billion, two hundred forty-three million, seven hundred thirty-nine thousand, twenty".