22143111223012 has 12 divisors (see below), whose sum is σ = 41731248074236. Its totient is φ = 10219897487520.

The previous prime is 22143111222961. The next prime is 22143111223039. The reversal of 22143111223012 is 21032211134122.

It can be written as a sum of positive squares in 2 ways, for example, as 5443187628096 + 16699923594916 = 2333064^2 + 4086554^2 .

It is a super-3 number, since 3×22143111223012³ (a number of 41 digits) contains 333 as substring.

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, 212914530939 + ... + 212914531042.

Almost surely, 2^{22143111223012} is an apocalyptic number.

It is an amenable number.

22143111223012 is a deficient number, since it is larger than the sum of its proper divisors (19588136851224).

22143111223012 is a wasteful number, since it uses less digits than its factorization.

22143111223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425829061998 (or 425829061996 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22143111223012 its reverse (21032211134122), we get a palindrome (43175322357134).

The spelling of 22143111223012 in words is "twenty-two trillion, one hundred forty-three billion, one hundred eleven million, two hundred twenty-three thousand, twelve".