122512320401 has 2 divisors, whose sum is σ = 122512320402. Its totient is φ = 122512320400.

The previous prime is 122512320379. The next prime is 122512320529. The reversal of 122512320401 is 104023215221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115355329600 + 7156990801 = 339640^2 + 84599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122512320401 is a prime.

It is not a weakly prime, because it can be changed into another prime (122512320101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61256160200 + 61256160201.

It is an arithmetic number, because the mean of its divisors is an integer number (61256160201).

Almost surely, 2^122512320401 is an apocalyptic number.

It is an amenable number.

122512320401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122512320401 is an equidigital number, since it uses as much as digits as its factorization.

122512320401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 122512320401 its reverse (104023215221), we get a palindrome (226535535622).

The spelling of 122512320401 in words is "one hundred twenty-two billion, five hundred twelve million, three hundred twenty thousand, four hundred one".