12020331231103 has 16 divisors (see below), whose sum is σ = 13046354022240. Its totient is φ = 11009021174784.

The previous prime is 12020331231079. The next prime is 12020331231113. The reversal of 12020331231103 is 30113213302021.

It is a cyclic number.

It is not a de Polignac number, because 12020331231103 - 2⁵ = 12020331231071 is a prime.

It is a Duffinian 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 pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526438 + ... + 6039571.

It is an arithmetic number, because the mean of its divisors is an integer number (815397126390).

Almost surely, 2^{12020331231103} is an apocalyptic number.

12020331231103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12020331231103 is a deficient number, since it is larger than the sum of its proper divisors (1026022791137).

12020331231103 is a wasteful number, since it uses less digits than its factorization.

12020331231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566778.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12020331231103 its reverse (30113213302021), we get a palindrome (42133544533124).

The spelling of 12020331231103 in words is "twelve trillion, twenty billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred three".