122206730531 has 2 divisors, whose sum is σ = 122206730532. Its totient is φ = 122206730530.

The previous prime is 122206730491. The next prime is 122206730543. The reversal of 122206730531 is 135037602221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122206730531 - 2³⁴ = 105026861347 is a prime.

It is a super-2 number, since 2×122206730531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122206730561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61103365265 + 61103365266.

It is an arithmetic number, because the mean of its divisors is an integer number (61103365266).

Almost surely, 2^122206730531 is an apocalyptic number.

122206730531 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206730531 is an equidigital number, since it uses as much as digits as its factorization.

122206730531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 122206730531 in words is "one hundred twenty-two billion, two hundred six million, seven hundred thirty thousand, five hundred thirty-one".