12212751107819 has 2 divisors, whose sum is σ = 12212751107820. Its totient is φ = 12212751107818.

The previous prime is 12212751107801. The next prime is 12212751107831. The reversal of 12212751107819 is 91870115721221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212751107819 - 2²⁰ = 12212750059243 is a prime.

It is a super-2 number, since 2×12212751107819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12212751107849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106375553909 + 6106375553910.

It is an arithmetic number, because the mean of its divisors is an integer number (6106375553910).

Almost surely, 2^{12212751107819} is an apocalyptic number.

12212751107819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212751107819 is an equidigital number, since it uses as much as digits as its factorization.

12212751107819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 47.

The spelling of 12212751107819 in words is "twelve trillion, two hundred twelve billion, seven hundred fifty-one million, one hundred seven thousand, eight hundred nineteen".