2222221012212 has 24 divisors (see below), whose sum is σ = 5186094923296. Its totient is φ = 740609971488.

The previous prime is 2222221012177. The next prime is 2222221012303. The reversal of 2222221012212 is 2122101222222.

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, 16224703 + ... + 16361094.

Almost surely, 2^{2222221012212} is an apocalyptic number.

It is an amenable number.

2222221012212 is an abundant number, since it is smaller than the sum of its proper divisors (2963873911084).

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

2222221012212 is a wasteful number, since it uses less digits than its factorization.

2222221012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32591487 (or 32591485 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222221012212 its reverse (2122101222222), we get a palindrome (4344322234434).

The spelling of 2222221012212 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, two hundred twelve".