12122111112202 has 32 divisors (see below), whose sum is σ = 22836002112000. Its totient is φ = 4795560436464.

The previous prime is 12122111112149. The next prime is 12122111112211. The reversal of 12122111112202 is 20221111122121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122111112202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679634002 + ... + 679651837.

It is an arithmetic number, because the mean of its divisors is an integer number (713625066000).

Almost surely, 2^{12122111112202} is an apocalyptic number.

12122111112202 is a deficient number, since it is larger than the sum of its proper divisors (10713890999798).

12122111112202 is a wasteful number, since it uses less digits than its factorization.

12122111112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359285875 (or 1359285861 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12122111112202 its reverse (20221111122121), we get a palindrome (32343222234323).

The spelling of 12122111112202 in words is "twelve trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, two hundred two".