12020331231110 has 48 divisors (see below), whose sum is σ = 22181474801520. Its totient is φ = 4689955166400.

The previous prime is 12020331231079. The next prime is 12020331231113. The reversal of 12020331231110 is 1113213302021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020331231113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13224260 + ... + 14103960.

It is an arithmetic number, because the mean of its divisors is an integer number (462114058365).

Almost surely, 2^{12020331231110} is an apocalyptic number.

12020331231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020331231110 is a deficient number, since it is larger than the sum of its proper divisors (10161143570410).

12020331231110 is an equidigital number, since it uses as much as digits as its factorization.

12020331231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880533 (or 880490 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12020331231110 its reverse (1113213302021), we get a palindrome (13133544533131).

The spelling of 12020331231110 in words is "twelve trillion, twenty billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred ten".