12021120132132 has 12 divisors (see below), whose sum is σ = 28049280308336. Its totient is φ = 4007040044040.

The previous prime is 12021120132121. The next prime is 12021120132139. The reversal of 12021120132132 is 23123102112021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12021120132132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021120132099 and 12021120132108.

It is not an unprimeable number, because it can be changed into a prime (12021120132139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500880005494 + ... + 500880005517.

Almost surely, 2^{12021120132132} is an apocalyptic number.

12021120132132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021120132132 is an abundant number, since it is smaller than the sum of its proper divisors (16028160176204).

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

12021120132132 is a wasteful number, since it uses less digits than its factorization.

12021120132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001760011018 (or 1001760011016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12021120132132 its reverse (23123102112021), we get a palindrome (35144222244153).

The spelling of 12021120132132 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred thirty-two thousand, one hundred thirty-two".