12010221984 has 48 divisors (see below), whose sum is σ = 32260025952. Its totient is φ = 3910303488.

The previous prime is 12010221983. The next prime is 12010222013. The reversal of 12010221984 is 48912201021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12010221983) 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, 1450599 + ... + 1458854.

It is an arithmetic number, because the mean of its divisors is an integer number (672083874).

Almost surely, 2^12010221984 is an apocalyptic number.

It is an amenable number.

12010221984 is an abundant number, since it is smaller than the sum of its proper divisors (20249803968).

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

12010221984 is a wasteful number, since it uses less digits than its factorization.

12010221984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909509 (or 2909501 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 12010221984 in words is "twelve billion, ten million, two hundred twenty-one thousand, nine hundred eighty-four".