2222212312212 has 48 divisors (see below), whose sum is σ = 5462900385600. Its totient is φ = 701129606400.

The previous prime is 2222212312211. The next prime is 2222212312261. The reversal of 2222212312212 is 2122132122222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222212312211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4059039 + ... + 4573862.

It is an arithmetic number, because the mean of its divisors is an integer number (113810424700).

Almost surely, 2^{2222212312212} is an apocalyptic number.

It is an amenable number.

2222212312212 is an abundant number, since it is smaller than the sum of its proper divisors (3240688073388).

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

2222212312212 is a wasteful number, since it uses less digits than its factorization.

2222212312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634056 (or 8634054 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 2222212312212 its reverse (2122132122222), we get a palindrome (4344344434434).

The spelling of 2222212312212 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, three hundred twelve thousand, two hundred twelve".