22113212132 has 24 divisors (see below), whose sum is σ = 42810731712. Its totient is φ = 9909888800.

The previous prime is 22113212129. The next prime is 22113212137. The reversal of 22113212132 is 23121231122.

It is not an unprimeable number, because it can be changed into a prime (22113212137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536123 + ... + 3542370.

It is an arithmetic number, because the mean of its divisors is an integer number (1783780488).

Almost surely, 2^22113212132 is an apocalyptic number.

22113212132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22113212132 is a deficient number, since it is larger than the sum of its proper divisors (20697519580).

22113212132 is a wasteful number, since it uses less digits than its factorization.

22113212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078579 (or 7078577 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 22113212132 its reverse (23121231122), we get a palindrome (45234443254).

The spelling of 22113212132 in words is "twenty-two billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirty-two".