12212112112002 has 96 divisors (see below), whose sum is σ = 30142138006656. Its totient is φ = 3537140006400.

The previous prime is 12212112111973. The next prime is 12212112112069. The reversal of 12212112112002 is 20021121121221.

12212112112002 is a `hidden beast` number, since 1 + 221 + 211 + 211 + 20 + 0 + 2 = 666.

12212112112002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212112112002² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 5212828 + ... + 7183160.

It is an arithmetic number, because the mean of its divisors is an integer number (313980604236).

Almost surely, 2^{12212112112002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212112112002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15071069003328).

12212112112002 is an abundant number, since it is smaller than the sum of its proper divisors (17930025894654).

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

12212112112002 is a wasteful number, since it uses less digits than its factorization.

12212112112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971736 (or 1971733 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212112112002 its reverse (20021121121221), we get a palindrome (32233233233223).

The spelling of 12212112112002 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two".