122151205069 has 2 divisors, whose sum is σ = 122151205070. Its totient is φ = 122151205068.

The previous prime is 122151205039. The next prime is 122151205079. The reversal of 122151205069 is 960502151221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107575472169 + 14575732900 = 327987^2 + 120730^2 .

It is an emirp because it is prime and its reverse (960502151221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122151205069 - 2⁷ = 122151204941 is a prime.

It is a super-2 number, since 2×122151205069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122151205039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61075602534 + 61075602535.

It is an arithmetic number, because the mean of its divisors is an integer number (61075602535).

Almost surely, 2^122151205069 is an apocalyptic number.

It is an amenable number.

122151205069 is a deficient number, since it is larger than the sum of its proper divisors (1).

122151205069 is an equidigital number, since it uses as much as digits as its factorization.

122151205069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 122151205069 in words is "one hundred twenty-two billion, one hundred fifty-one million, two hundred five thousand, sixty-nine".