12001222321002 has 48 divisors (see below), whose sum is σ = 26854277224320. Its totient is φ = 3871300314816.

The previous prime is 12001222320811. The next prime is 12001222321031. The reversal of 12001222321002 is 20012322210021.

12001222321002 is a `hidden beast` number, since 120 + 0 + 1 + 222 + 321 + 0 + 0 + 2 = 666.

12001222321002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 79620448 + ... + 79771035.

It is an arithmetic number, because the mean of its divisors is an integer number (559464108840).

Almost surely, 2^{12001222321002} is an apocalyptic number.

12001222321002 is an abundant number, since it is smaller than the sum of its proper divisors (14853054903318).

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

12001222321002 is a wasteful number, since it uses less digits than its factorization.

12001222321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159391627 (or 159391624 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12001222321002 its reverse (20012322210021), we get a palindrome (32013544531023).

The spelling of 12001222321002 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty-one thousand, two".