122015225020709 has 2 divisors, whose sum is σ = 122015225020710. Its totient is φ = 122015225020708.

The previous prime is 122015225020699. The next prime is 122015225020727. The reversal of 122015225020709 is 907020522510221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110594353468225 + 11420871552484 = 10516385^2 + 3379478^2 .

It is a cyclic number.

It is not a de Polignac number, because 122015225020709 - 2⁴⁴ = 104423038976293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122015225020769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61007612510354 + 61007612510355.

It is an arithmetic number, because the mean of its divisors is an integer number (61007612510355).

Almost surely, 2^{122015225020709} is an apocalyptic number.

It is an amenable number.

122015225020709 is a deficient number, since it is larger than the sum of its proper divisors (1).

122015225020709 is an equidigital number, since it uses as much as digits as its factorization.

122015225020709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 122015225020709 in words is "one hundred twenty-two trillion, fifteen billion, two hundred twenty-five million, twenty thousand, seven hundred nine".