122015985586379 has 2 divisors, whose sum is σ = 122015985586380. Its totient is φ = 122015985586378.

The previous prime is 122015985586361. The next prime is 122015985586471. The reversal of 122015985586379 is 973685589510221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122015985586379 is a prime.

It is not a weakly prime, because it can be changed into another prime (122015985516379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61007992793189 + 61007992793190.

It is an arithmetic number, because the mean of its divisors is an integer number (61007992793190).

Almost surely, 2^{122015985586379} is an apocalyptic number.

122015985586379 is a deficient number, since it is larger than the sum of its proper divisors (1).

122015985586379 is an equidigital number, since it uses as much as digits as its factorization.

122015985586379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592000, while the sum is 71.

The spelling of 122015985586379 in words is "one hundred twenty-two trillion, fifteen billion, nine hundred eighty-five million, five hundred eighty-six thousand, three hundred seventy-nine".