12231312232020 has 144 divisors (see below), whose sum is σ = 39840625556928. Its totient is φ = 2795623649280.

The previous prime is 12231312231893. The next prime is 12231312232043. The reversal of 12231312232020 is 2023221313221.

12231312232020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100260660 + ... + 100382580.

It is an arithmetic number, because the mean of its divisors is an integer number (276671010812).

Almost surely, 2^{12231312232020} is an apocalyptic number.

12231312232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231312232020 is an abundant number, since it is smaller than the sum of its proper divisors (27609313324908).

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

12231312232020 is a wasteful number, since it uses less digits than its factorization.

12231312232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156070 (or 156061 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12231312232020 its reverse (2023221313221), we get a palindrome (14254533545241).

The spelling of 12231312232020 in words is "twelve trillion, two hundred thirty-one billion, three hundred twelve million, two hundred thirty-two thousand, twenty".