121224314399 has 2 divisors, whose sum is σ = 121224314400. Its totient is φ = 121224314398.

The previous prime is 121224314389. The next prime is 121224314401. The reversal of 121224314399 is 993413422121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121224314399 - 2¹² = 121224310303 is a prime.

Together with 121224314401, 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 (121224314389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60612157199 + 60612157200.

It is an arithmetic number, because the mean of its divisors is an integer number (60612157200).

Almost surely, 2^121224314399 is an apocalyptic number.

121224314399 is a deficient number, since it is larger than the sum of its proper divisors (1).

121224314399 is an equidigital number, since it uses as much as digits as its factorization.

121224314399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The spelling of 121224314399 in words is "one hundred twenty-one billion, two hundred twenty-four million, three hundred fourteen thousand, three hundred ninety-nine".