12370221728 has 48 divisors (see below), whose sum is σ = 24795771840. Its totient is φ = 6074001088.

The previous prime is 12370221727. The next prime is 12370221733. The reversal of 12370221728 is 82712207321.

It is not an unprimeable number, because it can be changed into a prime (12370221727) 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, 74073101 + ... + 74073267.

It is an arithmetic number, because the mean of its divisors is an integer number (516578580).

Almost surely, 2^12370221728 is an apocalyptic number.

It is an amenable number.

12370221728 is an abundant number, since it is smaller than the sum of its proper divisors (12425550112).

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

12370221728 is an frugal number, since it uses more digits than its factorization.

12370221728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 12370221728 in words is "twelve billion, three hundred seventy million, two hundred twenty-one thousand, seven hundred twenty-eight".