2202222120012 has 36 divisors (see below), whose sum is σ = 5567475926376. Its totient is φ = 733975430400.

The previous prime is 2202222119983. The next prime is 2202222120019. The reversal of 2202222120012 is 2100212222022.

2202222120012 is a `hidden beast` number, since 220 + 22 + 221 + 200 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 (2202222120019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3836773 + ... + 4373244.

It is an arithmetic number, because the mean of its divisors is an integer number (154652109066).

Almost surely, 2^{2202222120012} is an apocalyptic number.

It is an amenable number.

2202222120012 is an abundant number, since it is smaller than the sum of its proper divisors (3365253806364).

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

2202222120012 is a wasteful number, since it uses less digits than its factorization.

2202222120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217478 (or 8217473 counting only the distinct ones).

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

Adding to 2202222120012 its reverse (2100212222022), we get a palindrome (4302434342034).

The spelling of 2202222120012 in words is "two trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty thousand, twelve".