12212111211202 has 16 divisors (see below), whose sum is σ = 21221829268992. Its totient is φ = 5162066578080.

The previous prime is 12212111211191. The next prime is 12212111211203. The reversal of 12212111211202 is 20211211121221.

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 12212111211202.

It is not an unprimeable number, because it can be changed into a prime (12212111211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974613074 + ... + 5974615117.

It is an arithmetic number, because the mean of its divisors is an integer number (1326364329312).

Almost surely, 2^{12212111211202} is an apocalyptic number.

12212111211202 is a deficient number, since it is larger than the sum of its proper divisors (9009718057790).

12212111211202 is a wasteful number, since it uses less digits than its factorization.

12212111211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949228273.

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

Adding to 12212111211202 its reverse (20211211121221), we get a palindrome (32423322332423).

The spelling of 12212111211202 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred eleven thousand, two hundred two".