12031101998243 has 2 divisors, whose sum is σ = 12031101998244. Its totient is φ = 12031101998242.

The previous prime is 12031101998207. The next prime is 12031101998269. The reversal of 12031101998243 is 34289910113021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031101998243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031101998194 and 12031101998203.

It is not a weakly prime, because it can be changed into another prime (12031101928243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015550999121 + 6015550999122.

It is an arithmetic number, because the mean of its divisors is an integer number (6015550999122).

Almost surely, 2^{12031101998243} is an apocalyptic number.

12031101998243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031101998243 is an equidigital number, since it uses as much as digits as its factorization.

12031101998243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 12031101998243 in words is "twelve trillion, thirty-one billion, one hundred one million, nine hundred ninety-eight thousand, two hundred forty-three".