12211220112202 has 16 divisors (see below), whose sum is σ = 19115622775872. Its totient is φ = 5839412761600.

The previous prime is 12211220112151. The next prime is 12211220112227. The reversal of 12211220112202 is 20221102211221.

It is a super-2 number, since 2×12211220112202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211220112202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16357924 + ... + 17088127.

It is an arithmetic number, because the mean of its divisors is an integer number (1194726423492).

Almost surely, 2^{12211220112202} is an apocalyptic number.

12211220112202 is a deficient number, since it is larger than the sum of its proper divisors (6904402663670).

12211220112202 is a wasteful number, since it uses less digits than its factorization.

12211220112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33454013.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12211220112202 its reverse (20221102211221), we get a palindrome (32432322323423).

The spelling of 12211220112202 in words is "twelve trillion, two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred two".