22140440012212 has 24 divisors (see below), whose sum is σ = 38755780507080. Its totient is φ = 11067360245760.

The previous prime is 22140440012183. The next prime is 22140440012219. The reversal of 22140440012212 is 21221004404122.

It can be written as a sum of positive squares in 4 ways, for example, as 39666298896 + 22100773713316 = 199164^2 + 4701146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140440012219) by changing a digit.

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, 287645412 + ... + 287722372.

It is an arithmetic number, because the mean of its divisors is an integer number (1614824187795).

Almost surely, 2^{22140440012212} is an apocalyptic number.

It is an amenable number.

22140440012212 is a deficient number, since it is larger than the sum of its proper divisors (16615340494868).

22140440012212 is a wasteful number, since it uses less digits than its factorization.

22140440012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94611 (or 94609 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22140440012212 its reverse (21221004404122), we get a palindrome (43361444416334).

The spelling of 22140440012212 in words is "twenty-two trillion, one hundred forty billion, four hundred forty million, twelve thousand, two hundred twelve".