12220112101164 has 48 divisors (see below), whose sum is σ = 31120134761856. Its totient is φ = 3701350598400.

The previous prime is 12220112101163. The next prime is 12220112101201. The reversal of 12220112101164 is 46110121102221.

It is a super-2 number, since 2×12220112101164² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220112101163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21134602 + ... + 21705105.

It is an arithmetic number, because the mean of its divisors is an integer number (648336140872).

Almost surely, 2^{12220112101164} is an apocalyptic number.

It is an amenable number.

12220112101164 is an abundant number, since it is smaller than the sum of its proper divisors (18900022660692).

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

12220112101164 is a wasteful number, since it uses less digits than its factorization.

12220112101164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42841886 (or 42841884 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 12220112101164 its reverse (46110121102221), we get a palindrome (58330233203385).

The spelling of 12220112101164 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, one hundred one thousand, one hundred sixty-four".