12200121211919 has 2 divisors, whose sum is σ = 12200121211920. Its totient is φ = 12200121211918.

The previous prime is 12200121211909. The next prime is 12200121211937. The reversal of 12200121211919 is 91911212100221.

It is a weak prime.

It is an emirp because it is prime and its reverse (91911212100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12200121211919 - 2²⁴ = 12200104434703 is a prime.

It is a super-2 number, since 2×12200121211919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200121211909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100060605959 + 6100060605960.

It is an arithmetic number, because the mean of its divisors is an integer number (6100060605960).

Almost surely, 2^{12200121211919} is an apocalyptic number.

12200121211919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200121211919 is an equidigital number, since it uses as much as digits as its factorization.

12200121211919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 12200121211919 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, nine hundred nineteen".