2122222220012 has 6 divisors (see below), whose sum is σ = 3713888885028. Its totient is φ = 1061111110004.

The previous prime is 2122222220003. The next prime is 2122222220029. The reversal of 2122222220012 is 2100222222212.

It is a super-2 number, since 2×2122222220012² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 265277777498 + ... + 265277777505.

It is an arithmetic number, because the mean of its divisors is an integer number (618981480838).

Almost surely, 2^{2122222220012} is an apocalyptic number.

It is an amenable number.

2122222220012 is a deficient number, since it is larger than the sum of its proper divisors (1591666665016).

2122222220012 is a wasteful number, since it uses less digits than its factorization.

2122222220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530555555007 (or 530555555005 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2122222220012 its reverse (2100222222212), we get a palindrome (4222444442224).

It can be divided in two parts, 21222222200 and 12, that added together give a palindrome (21222222212).

The spelling of 2122222220012 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, twelve".