21330312012199 has 2 divisors, whose sum is σ = 21330312012200. Its totient is φ = 21330312012198.

The previous prime is 21330312012181. The next prime is 21330312012203. The reversal of 21330312012199 is 99121021303312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21330312012199 - 2³⁵ = 21295952273831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330312082199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665156006099 + 10665156006100.

It is an arithmetic number, because the mean of its divisors is an integer number (10665156006100).

Almost surely, 2^{21330312012199} is an apocalyptic number.

21330312012199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330312012199 is an equidigital number, since it uses as much as digits as its factorization.

21330312012199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 21330312012199 in words is "twenty-one trillion, three hundred thirty billion, three hundred twelve million, twelve thousand, one hundred ninety-nine".