12220101212022 has 96 divisors (see below), whose sum is σ = 30189505941504. Its totient is φ = 3673902808800.

The previous prime is 12220101211991. The next prime is 12220101212023. The reversal of 12220101212022 is 22021210102221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12220101211986 and 12220101212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220101212023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8320429 + ... + 9678312.

It is an arithmetic number, because the mean of its divisors is an integer number (314474020224).

Almost surely, 2^{12220101212022} is an apocalyptic number.

12220101212022 is an abundant number, since it is smaller than the sum of its proper divisors (17969404729482).

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

12220101212022 is a wasteful number, since it uses less digits than its factorization.

12220101212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17998896 (or 17998884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220101212022 its reverse (22021210102221), we get a palindrome (34241311314243).

The spelling of 12220101212022 in words is "twelve trillion, two hundred twenty billion, one hundred one million, two hundred twelve thousand, twenty-two".