12012002221004 has 24 divisors (see below), whose sum is σ = 21147274867488. Its totient is φ = 5969925037440.

The previous prime is 12012002221001. The next prime is 12012002221019. The reversal of 12012002221004 is 40012220021021.

It is not an unprimeable number, because it can be changed into a prime (12012002221001) 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, 44193662 + ... + 44464634.

It is an arithmetic number, because the mean of its divisors is an integer number (881136452812).

Almost surely, 2^{12012002221004} is an apocalyptic number.

It is an amenable number.

12012002221004 is a deficient number, since it is larger than the sum of its proper divisors (9135272646484).

12012002221004 is a wasteful number, since it uses less digits than its factorization.

12012002221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337505 (or 337503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12012002221004 its reverse (40012220021021), we get a palindrome (52024222242025).

The spelling of 12012002221004 in words is "twelve trillion, twelve billion, two million, two hundred twenty-one thousand, four".