2122220012202 has 48 divisors (see below), whose sum is σ = 4885239045960. Its totient is φ = 663522149376.

The previous prime is 2122220012189. The next prime is 2122220012203. The reversal of 2122220012202 is 2022100222212.

2122220012202 is a `hidden beast` number, since 21 + 222 + 200 + 1 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2100705283161 + 21514729041 = 1449381^2 + 146679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2122220012203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11745427 + ... + 11924742.

Almost surely, 2^{2122220012202} is an apocalyptic number.

2122220012202 is an abundant number, since it is smaller than the sum of its proper divisors (2763019033758).

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

2122220012202 is a wasteful number, since it uses less digits than its factorization.

2122220012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23670487 (or 23670484 counting only the distinct ones).

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

Adding to 2122220012202 its reverse (2022100222212), we get a palindrome (4144320234414).

The spelling of 2122220012202 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred two".