12122211022002 has 24 divisors (see below), whose sum is σ = 26264911495680. Its totient is φ = 4040718399960.

The previous prime is 12122211022001. The next prime is 12122211022063. The reversal of 12122211022002 is 20022011222121.

It is a happy number.

12122211022002 is a `hidden beast` number, since 1 + 212 + 221 + 10 + 220 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12122211022001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2796127 + ... + 5662397.

It is an arithmetic number, because the mean of its divisors is an integer number (1094371312320).

Almost surely, 2^{12122211022002} is an apocalyptic number.

12122211022002 is an abundant number, since it is smaller than the sum of its proper divisors (14142700473678).

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

12122211022002 is a wasteful number, since it uses less digits than its factorization.

12122211022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101238 (or 3101235 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122211022002 its reverse (20022011222121), we get a palindrome (32144222244123).

The spelling of 12122211022002 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two".