12022311132 has 36 divisors (see below), whose sum is σ = 32727403800. Its totient is φ = 3699172512.

The previous prime is 12022311023. The next prime is 12022311143. The reversal of 12022311132 is 23111322021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12022311132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12843882 + ... + 12844817.

It is an arithmetic number, because the mean of its divisors is an integer number (909094550).

Almost surely, 2^12022311132 is an apocalyptic number.

12022311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022311132 is an abundant number, since it is smaller than the sum of its proper divisors (20705092668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022311132 is a wasteful number, since it uses less digits than its factorization.

12022311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25688722 (or 25688717 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12022311132 its reverse (23111322021), we get a palindrome (35133633153).

The spelling of 12022311132 in words is "twelve billion, twenty-two million, three hundred eleven thousand, one hundred thirty-two".