12312002032020 has 48 divisors (see below), whose sum is σ = 38304006323520. Its totient is φ = 3283200541728.

The previous prime is 12312002032019. The next prime is 12312002032081. The reversal of 12312002032020 is 2023020021321.

12312002032020 is a `hidden beast` number, since 12 + 312 + 0 + 0 + 2 + 0 + 320 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12312002031984 and 12312002032002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11400001342 + ... + 11400002421.

It is an arithmetic number, because the mean of its divisors is an integer number (798000131740).

Almost surely, 2^{12312002032020} is an apocalyptic number.

12312002032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312002032020 is an abundant number, since it is smaller than the sum of its proper divisors (25992004291500).

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

12312002032020 is a wasteful number, since it uses less digits than its factorization.

12312002032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800003781 (or 22800003773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12312002032020 its reverse (2023020021321), we get a palindrome (14335022053341).

The spelling of 12312002032020 in words is "twelve trillion, three hundred twelve billion, two million, thirty-two thousand, twenty".