12303251720 has 16 divisors (see below), whose sum is σ = 27682316460. Its totient is φ = 4921300672.

The previous prime is 12303251707. The next prime is 12303251761. The reversal of 12303251720 is 2715230321.

It can be written as a sum of positive squares in 2 ways, for example, as 11934688516 + 368563204 = 109246^2 + 19198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12303251720.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153790607 + ... + 153790686.

Almost surely, 2^12303251720 is an apocalyptic number.

12303251720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303251720 is an abundant number, since it is smaller than the sum of its proper divisors (15379064740).

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

12303251720 is a wasteful number, since it uses less digits than its factorization.

12303251720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307581304 (or 307581300 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 12303251720 in words is "twelve billion, three hundred three million, two hundred fifty-one thousand, seven hundred twenty".