12202020202122 has 24 divisors (see below), whose sum is σ = 26439645107460. Its totient is φ = 4067042425920.

The previous prime is 12202020202093. The next prime is 12202020202277. The reversal of 12202020202122 is 22120202020221.

It can be written as a sum of positive squares in 2 ways, for example, as 12199574998521 + 2445203601 = 3492789^2 + 49449^2 .

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 = 12202020202095 and 12202020202104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24550579 + ... + 25042662.

Almost surely, 2^{12202020202122} is an apocalyptic number.

12202020202122 is an abundant number, since it is smaller than the sum of its proper divisors (14237624905338).

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

12202020202122 is a wasteful number, since it uses less digits than its factorization.

12202020202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49606918 (or 49606915 counting only the distinct ones).

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

Adding to 12202020202122 its reverse (22120202020221), we get a palindrome (34322222222343).

The spelling of 12202020202122 in words is "twelve trillion, two hundred two billion, twenty million, two hundred two thousand, one hundred twenty-two".