122412105401 has 4 divisors (see below), whose sum is σ = 122415784692. Its totient is φ = 122408426112.

The previous prime is 122412105379. The next prime is 122412105427. The reversal of 122412105401 is 104501214221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104501214221 = 2971 ⋅35173751.

It can be written as a sum of positive squares in 2 ways, for example, as 102326413225 + 20085692176 = 319885^2 + 141724^2 .

It is a cyclic number.

It is not a de Polignac number, because 122412105401 - 2³⁰ = 121338363577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122412105481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789280 + ... + 1856433.

It is an arithmetic number, because the mean of its divisors is an integer number (30603946173).

Almost surely, 2^122412105401 is an apocalyptic number.

It is an amenable number.

122412105401 is a deficient number, since it is larger than the sum of its proper divisors (3679291).

122412105401 is an equidigital number, since it uses as much as digits as its factorization.

122412105401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679290.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 122412105401 its reverse (104501214221), we get a palindrome (226913319622).

The spelling of 122412105401 in words is "one hundred twenty-two billion, four hundred twelve million, one hundred five thousand, four hundred one".