2122202220012 has 72 divisors (see below), whose sum is σ = 6255924948000. Its totient is φ = 606343487904.

The previous prime is 2122202220011. The next prime is 2122202220029. The reversal of 2122202220012 is 2100222022212.

2122202220012 is a `hidden beast` number, since 212 + 220 + 2 + 220 + 0 + 12 = 666.

It is a super-2 number, since 2×2122202220012² (a number of 25 digits) contains 22 as substring.

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 (2122202220011) 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, 85920687 + ... + 85945382.

It is an arithmetic number, because the mean of its divisors is an integer number (86887846500).

Almost surely, 2^{2122202220012} is an apocalyptic number.

It is an amenable number.

2122202220012 is an abundant number, since it is smaller than the sum of its proper divisors (4133722727988).

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

2122202220012 is a wasteful number, since it uses less digits than its factorization.

2122202220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171866100 (or 171866081 counting only the distinct ones).

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

Adding to 2122202220012 its reverse (2100222022212), we get a palindrome (4222424242224).

It can be divided in two parts, 21222022200 and 12, that added together give a palindrome (21222022212).

The spelling of 2122202220012 in words is "two trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, twelve".