12011212212799 has 2 divisors, whose sum is σ = 12011212212800. Its totient is φ = 12011212212798.

The previous prime is 12011212212743. The next prime is 12011212212809. The reversal of 12011212212799 is 99721221211021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011212212799 - 2²⁹ = 12010675341887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011212222799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005606106399 + 6005606106400.

It is an arithmetic number, because the mean of its divisors is an integer number (6005606106400).

Almost surely, 2^{12011212212799} is an apocalyptic number.

12011212212799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011212212799 is an equidigital number, since it uses as much as digits as its factorization.

12011212212799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 12011212212799 in words is "twelve trillion, eleven billion, two hundred twelve million, two hundred twelve thousand, seven hundred ninety-nine".