222122122100012 has 48 divisors (see below), whose sum is σ = 390265440768000. Its totient is φ = 110618678089920.

The previous prime is 222122122100009. The next prime is 222122122100029. The reversal of 222122122100012 is 210001221221222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5590348898 + ... + 5590388630.

It is an arithmetic number, because the mean of its divisors is an integer number (8130530016000).

Almost surely, 2^{222122122100012} is an apocalyptic number.

It is an amenable number.

222122122100012 is a deficient number, since it is larger than the sum of its proper divisors (168143318667988).

222122122100012 is a wasteful number, since it uses less digits than its factorization.

222122122100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45686 (or 45684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222122122100012 its reverse (210001221221222), we get a palindrome (432123343321234).

The spelling of 222122122100012 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, twelve".