122316432529 has 2 divisors, whose sum is σ = 122316432530. Its totient is φ = 122316432528.

The previous prime is 122316432527. The next prime is 122316432541. The reversal of 122316432529 is 925234613221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110160929025 + 12155503504 = 331905^2 + 110252^2 .

It is a cyclic number.

It is not a de Polignac number, because 122316432529 - 2¹ = 122316432527 is a prime.

It is a super-2 number, since 2×122316432529² (a number of 23 digits) contains 22 as substring.

Together with 122316432527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 122316432491 and 122316432500.

It is not a weakly prime, because it can be changed into another prime (122316432523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61158216264 + 61158216265.

It is an arithmetic number, because the mean of its divisors is an integer number (61158216265).

Almost surely, 2^122316432529 is an apocalyptic number.

It is an amenable number.

122316432529 is a deficient number, since it is larger than the sum of its proper divisors (1).

122316432529 is an equidigital number, since it uses as much as digits as its factorization.

122316432529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The spelling of 122316432529 in words is "one hundred twenty-two billion, three hundred sixteen million, four hundred thirty-two thousand, five hundred twenty-nine".