12222012202002 has 24 divisors (see below), whose sum is σ = 26743214822220. Its totient is φ = 4033667392800.

The previous prime is 12222012201851. The next prime is 12222012202003. The reversal of 12222012202002 is 20020221022221.

12222012202002 is a `hidden beast` number, since 1 + 22 + 220 + 1 + 220 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11807738465121 + 414273736881 = 3436239^2 + 643641^2 .

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 (12222012202003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361387677 + ... + 3361391312.

Almost surely, 2^{12222012202002} is an apocalyptic number.

12222012202002 is an abundant number, since it is smaller than the sum of its proper divisors (14521202620218).

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

12222012202002 is a wasteful number, since it uses less digits than its factorization.

12222012202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722779098 (or 6722779095 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12222012202002 its reverse (20020221022221), we get a palindrome (32242233224223).

The spelling of 12222012202002 in words is "twelve trillion, two hundred twenty-two billion, twelve million, two hundred two thousand, two".