2122222100012 has 24 divisors (see below), whose sum is σ = 4295582086656. Its totient is φ = 898565638608.

The previous prime is 2122222099999. The next prime is 2122222100071. The reversal of 2122222100012 is 2100012222212.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 456585908 + ... + 456590555.

It is an arithmetic number, because the mean of its divisors is an integer number (178982586944).

Almost surely, 2^{2122222100012} is an apocalyptic number.

It is an amenable number.

2122222100012 is an abundant number, since it is smaller than the sum of its proper divisors (2173359986644).

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

2122222100012 is a wasteful number, since it uses less digits than its factorization.

2122222100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913176557 (or 913176555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122222100012 its reverse (2100012222212), we get a palindrome (4222234322224).

The spelling of 2122222100012 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, twelve".