122443155012239 has 2 divisors, whose sum is σ = 122443155012240. Its totient is φ = 122443155012238.

The previous prime is 122443155012197. The next prime is 122443155012313. The reversal of 122443155012239 is 932210551344221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122443155012239 is a prime.

It is a super-3 number, since 3×122443155012239³ (a number of 43 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122443155012239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122443155002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61221577506119 + 61221577506120.

It is an arithmetic number, because the mean of its divisors is an integer number (61221577506120).

Almost surely, 2^{122443155012239} is an apocalyptic number.

122443155012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443155012239 is an equidigital number, since it uses as much as digits as its factorization.

122443155012239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 122443155012239 in words is "one hundred twenty-two trillion, four hundred forty-three billion, one hundred fifty-five million, twelve thousand, two hundred thirty-nine".