22022210211212 has 6 divisors (see below), whose sum is σ = 38538867869628. Its totient is φ = 11011105105604.

The previous prime is 22022210211167. The next prime is 22022210211223. The reversal of 22022210211212 is 21211201222022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752776276398 + ... + 2752776276405.

It is an arithmetic number, because the mean of its divisors is an integer number (6423144644938).

Almost surely, 2^{22022210211212} is an apocalyptic number.

It is an amenable number.

22022210211212 is a deficient number, since it is larger than the sum of its proper divisors (16516657658416).

22022210211212 is a wasteful number, since it uses less digits than its factorization.

22022210211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505552552807 (or 5505552552805 counting only the distinct ones).

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

Adding to 22022210211212 its reverse (21211201222022), we get a palindrome (43233411433234).

The spelling of 22022210211212 in words is "twenty-two trillion, twenty-two billion, two hundred ten million, two hundred eleven thousand, two hundred twelve".