22012123132 has 24 divisors (see below), whose sum is σ = 39483858960. Its totient is φ = 10731335040.

The previous prime is 22012123123. The next prime is 22012123157. The reversal of 22012123132 is 23132121022.

It is a super-3 number, since 3×22012123132³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248094 + ... + 324922.

It is an arithmetic number, because the mean of its divisors is an integer number (1645160790).

Almost surely, 2^22012123132 is an apocalyptic number.

It is an amenable number.

22012123132 is a deficient number, since it is larger than the sum of its proper divisors (17471735828).

22012123132 is a wasteful number, since it uses less digits than its factorization.

22012123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78621 (or 78619 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22012123132 its reverse (23132121022), we get a palindrome (45144244154).

It can be divided in two parts, 220121 and 23132, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 22012123132 in words is "twenty-two billion, twelve million, one hundred twenty-three thousand, one hundred thirty-two".