12220021202022 has 48 divisors (see below), whose sum is σ = 27188685089280. Its totient is φ = 3965016496896.

The previous prime is 12220021201961. The next prime is 12220021202041. The reversal of 12220021202022 is 22020212002221.

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 = 12220021201986 and 12220021202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50308947 + ... + 50551262.

It is an arithmetic number, because the mean of its divisors is an integer number (566430939360).

Almost surely, 2^{12220021202022} is an apocalyptic number.

12220021202022 is an abundant number, since it is smaller than the sum of its proper divisors (14968663887258).

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

12220021202022 is a wasteful number, since it uses less digits than its factorization.

12220021202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100860397 (or 100860394 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12220021202022 its reverse (22020212002221), we get a palindrome (34240233204243).

The spelling of 12220021202022 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred two thousand, twenty-two".