122201112011212 has 24 divisors (see below), whose sum is σ = 230545287037296. Its totient is φ = 56340956177088.

The previous prime is 122201112011189. The next prime is 122201112011219. The reversal of 122201112011212 is 212110211102221.

It is a happy number.

It is a super-2 number, since 2×122201112011212² (a number of 29 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 122201112011212.

It is not an unprimeable number, because it can be changed into a prime (122201112011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240722343 + ... + 1240820830.

It is an arithmetic number, because the mean of its divisors is an integer number (9606053626554).

Almost surely, 2^{122201112011212} is an apocalyptic number.

It is an amenable number.

122201112011212 is a deficient number, since it is larger than the sum of its proper divisors (108344175026084).

122201112011212 is a wasteful number, since it uses less digits than its factorization.

122201112011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481544137 (or 2481544135 counting only the distinct ones).

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

Adding to 122201112011212 its reverse (212110211102221), we get a palindrome (334311323113433).

The spelling of 122201112011212 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twelve million, eleven thousand, two hundred twelve".