12332012020 has 24 divisors (see below), whose sum is σ = 25924785768. Its totient is φ = 4927555200.

The previous prime is 12332011987. The next prime is 12332012047. The reversal of 12332012020 is 2021023321.

It can be written as a sum of positive squares in 4 ways, for example, as 4903640676 + 7428371344 = 70026^2 + 86188^2 .

It is a super-2 number, since 2×12332012020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12332011985 and 12332012003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308811 + ... + 346450.

It is an arithmetic number, because the mean of its divisors is an integer number (1080199407).

Almost surely, 2^12332012020 is an apocalyptic number.

12332012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12332012020 is an abundant number, since it is smaller than the sum of its proper divisors (13592773748).

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

12332012020 is a wasteful number, since it uses less digits than its factorization.

12332012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656211 (or 656209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12332012020 its reverse (2021023321), we get a palindrome (14353035341).

The spelling of 12332012020 in words is "twelve billion, three hundred thirty-two million, twelve thousand, twenty".