12011001020999 has 2 divisors, whose sum is σ = 12011001021000. Its totient is φ = 12011001020998.

The previous prime is 12011001020927. The next prime is 12011001021049. The reversal of 12011001020999 is 99902010011021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011001020999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011001020899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005500510499 + 6005500510500.

It is an arithmetic number, because the mean of its divisors is an integer number (6005500510500).

Almost surely, 2^{12011001020999} is an apocalyptic number.

12011001020999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011001020999 is an equidigital number, since it uses as much as digits as its factorization.

12011001020999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 12011001020999 in words is "twelve trillion, eleven billion, one million, twenty thousand, nine hundred ninety-nine".