12022121132 has 24 divisors (see below), whose sum is σ = 25458610464. Its totient is φ = 4849258752.

The previous prime is 12022121107. The next prime is 12022121197. The reversal of 12022121132 is 23112122021.

It is a super-2 number, since 2×12022121132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12022121132.

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, 12627803 + ... + 12628754.

It is an arithmetic number, because the mean of its divisors is an integer number (1060775436).

Almost surely, 2^12022121132 is an apocalyptic number.

It is an amenable number.

12022121132 is an abundant number, since it is smaller than the sum of its proper divisors (13436489332).

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

12022121132 is a wasteful number, since it uses less digits than its factorization.

12022121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256585 (or 25256583 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12022121132 its reverse (23112122021), we get a palindrome (35134243153).

The spelling of 12022121132 in words is "twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred thirty-two".