12004645730 has 48 divisors (see below), whose sum is σ = 27421384896. Its totient is φ = 3741706080.

The previous prime is 12004645699. The next prime is 12004645753. The reversal of 12004645730 is 3754640021.

It is a super-2 number, since 2×12004645730² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1108214 + ... + 1118993.

It is an arithmetic number, because the mean of its divisors is an integer number (571278852).

Almost surely, 2^12004645730 is an apocalyptic number.

12004645730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12004645730 is an abundant number, since it is smaller than the sum of its proper divisors (15416739166).

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

12004645730 is a wasteful number, since it uses less digits than its factorization.

12004645730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227239 (or 2227232 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 12004645730 in words is "twelve billion, four million, six hundred forty-five thousand, seven hundred thirty".