222122122222012 has 12 divisors (see below), whose sum is σ = 391680994148136. Its totient is φ = 110213266751120.

The previous prime is 222122122222001. The next prime is 222122122222019. The reversal of 222122122222012 is 210222221221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122122222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211948589383 + ... + 211948590430.

It is an arithmetic number, because the mean of its divisors is an integer number (32640082845678).

Almost surely, 2^{222122122222012} is an apocalyptic number.

It is an amenable number.

222122122222012 is a deficient number, since it is larger than the sum of its proper divisors (169558871926124).

222122122222012 is a wasteful number, since it uses less digits than its factorization.

222122122222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423897179948 (or 423897179946 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222122122222012 its reverse (210222221221222), we get a palindrome (432344343443234).

The spelling of 222122122222012 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".