12730238860 has 24 divisors (see below), whose sum is σ = 28306061280. Its totient is φ = 4792560384.

The previous prime is 12730238839. The next prime is 12730238863. The reversal of 12730238860 is 6883203721.

It is not an unprimeable number, because it can be changed into a prime (12730238863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18720600 + ... + 18721279.

It is an arithmetic number, because the mean of its divisors is an integer number (1179419220).

Almost surely, 2^12730238860 is an apocalyptic number.

12730238860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12730238860 is an abundant number, since it is smaller than the sum of its proper divisors (15575822420).

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

12730238860 is a wasteful number, since it uses less digits than its factorization.

12730238860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37441905 (or 37441903 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12730238860 in words is "twelve billion, seven hundred thirty million, two hundred thirty-eight thousand, eight hundred sixty".