22112001020212 has 12 divisors (see below), whose sum is σ = 38818071193860. Its totient is φ = 11021123536256.

The previous prime is 22112001020107. The next prime is 22112001020243. The reversal of 22112001020212 is 21202010021122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1856204605476 + 20255796414736 = 1362426^2 + 4500644^2 .

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, 8719242037 + ... + 8719244572.

It is an arithmetic number, because the mean of its divisors is an integer number (3234839266155).

Almost surely, 2^{22112001020212} is an apocalyptic number.

It is an amenable number.

22112001020212 is a deficient number, since it is larger than the sum of its proper divisors (16706070173648).

22112001020212 is a wasteful number, since it uses less digits than its factorization.

22112001020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438486930 (or 17438486928 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112001020212 its reverse (21202010021122), we get a palindrome (43314011041334).

The spelling of 22112001020212 in words is "twenty-two trillion, one hundred twelve billion, one million, twenty thousand, two hundred twelve".