12031022233020 has 576 divisors, whose sum is σ = 40152024743040. Its totient is φ = 2683189297152.

The previous prime is 12031022232989. The next prime is 12031022233033. The reversal of 12031022233020 is 2033222013021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9333608536 + ... + 9333609824.

It is an arithmetic number, because the mean of its divisors is an integer number (69708376290).

Almost surely, 2^{12031022233020} is an apocalyptic number.

12031022233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031022233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20076012371520).

12031022233020 is an abundant number, since it is smaller than the sum of its proper divisors (28121002510020).

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

12031022233020 is a wasteful number, since it uses less digits than its factorization.

12031022233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12031022233020 its reverse (2033222013021), we get a palindrome (14064244246041).

The spelling of 12031022233020 in words is "twelve trillion, thirty-one billion, twenty-two million, two hundred thirty-three thousand, twenty".