2222100212212 has 24 divisors (see below), whose sum is σ = 4093664553440. Its totient is φ = 1052490970080.

The previous prime is 2222100212201. The next prime is 2222100212263. The reversal of 2222100212212 is 2122120012222.

It is a super-2 number, since 2×2222100212212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2222100212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172458 + ... + 2115169.

Almost surely, 2^{2222100212212} is an apocalyptic number.

It is an amenable number.

2222100212212 is a deficient number, since it is larger than the sum of its proper divisors (1871564341228).

2222100212212 is a wasteful number, since it uses less digits than its factorization.

2222100212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300431 (or 2300429 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2222100212212 its reverse (2122120012222), we get a palindrome (4344220224434).

The spelling of 2222100212212 in words is "two trillion, two hundred twenty-two billion, one hundred million, two hundred twelve thousand, two hundred twelve".