12121001011199 has 2 divisors, whose sum is σ = 12121001011200. Its totient is φ = 12121001011198.

The previous prime is 12121001011193. The next prime is 12121001011201. The reversal of 12121001011199 is 99111010012121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121001011199 - 2⁴⁰ = 11021489383423 is a prime.

Together with 12121001011201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121001011193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060500505599 + 6060500505600.

It is an arithmetic number, because the mean of its divisors is an integer number (6060500505600).

Almost surely, 2^{12121001011199} is an apocalyptic number.

12121001011199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121001011199 is an equidigital number, since it uses as much as digits as its factorization.

12121001011199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 12121001011199 in words is "twelve trillion, one hundred twenty-one billion, one million, eleven thousand, one hundred ninety-nine".