22222122001012 has 12 divisors (see below), whose sum is σ = 39013757598816. Its totient is φ = 11075334115640.

The previous prime is 22222122000961. The next prime is 22222122001043. The reversal of 22222122001012 is 21010022122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8931719818 + ... + 8931722305.

It is an arithmetic number, because the mean of its divisors is an integer number (3251146466568).

Almost surely, 2^{22222122001012} is an apocalyptic number.

It is an amenable number.

22222122001012 is a deficient number, since it is larger than the sum of its proper divisors (16791635597804).

22222122001012 is a wasteful number, since it uses less digits than its factorization.

22222122001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863442438 (or 17863442436 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22222122001012 its reverse (21010022122222), we get a palindrome (43232144123234).

It can be divided in two parts, 2222212 and 2001012, that added together give a palindrome (4223224).

The spelling of 22222122001012 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one thousand, twelve".