12000755530 has 32 divisors (see below), whose sum is σ = 21712779648. Its totient is φ = 4775601600.

The previous prime is 12000755519. The next prime is 12000755537. The reversal of 12000755530 is 3555700021.

It is not an unprimeable number, because it can be changed into a prime (12000755537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845585 + ... + 1852075.

It is an arithmetic number, because the mean of its divisors is an integer number (678524364).

Almost surely, 2^12000755530 is an apocalyptic number.

12000755530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000755530 is a deficient number, since it is larger than the sum of its proper divisors (9712024118).

12000755530 is a wasteful number, since it uses less digits than its factorization.

12000755530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 5250, while the sum is 28.

The spelling of 12000755530 in words is "twelve billion, seven hundred fifty-five thousand, five hundred thirty".