12231120132020 has 48 divisors (see below), whose sum is σ = 26408916366336. Its totient is φ = 4755506976000.

The previous prime is 12231120131987. The next prime is 12231120132073. The reversal of 12231120132020 is 2023102113221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12231120131983 and 12231120132001.

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, 27298076 + ... + 27742515.

It is an arithmetic number, because the mean of its divisors is an integer number (550185757632).

Almost surely, 2^{12231120132020} is an apocalyptic number.

12231120132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231120132020 is an abundant number, since it is smaller than the sum of its proper divisors (14177796234316).

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

12231120132020 is a wasteful number, since it uses less digits than its factorization.

12231120132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55040912 (or 55040910 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12231120132020 its reverse (2023102113221), we get a palindrome (14254222245241).

It can be divided in two parts, 122311201 and 32020, that added together give a palindrome (122343221).

The spelling of 12231120132020 in words is "twelve trillion, two hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, twenty".