122444431401 has 4 divisors (see below), whose sum is σ = 163259241872. Its totient is φ = 81629620932.

The previous prime is 122444431399. The next prime is 122444431411. The reversal of 122444431401 is 104134444221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104134444221 = 3 ⋅34711481407.

It is not a de Polignac number, because 122444431401 - 2¹ = 122444431399 is a prime.

It is a super-2 number, since 2×122444431401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122444431411) 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, 20407405231 + ... + 20407405236.

It is an arithmetic number, because the mean of its divisors is an integer number (40814810468).

Almost surely, 2^122444431401 is an apocalyptic number.

It is an amenable number.

122444431401 is a deficient number, since it is larger than the sum of its proper divisors (40814810471).

122444431401 is an equidigital number, since it uses as much as digits as its factorization.

122444431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40814810470.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 122444431401 its reverse (104134444221), we get a palindrome (226578875622).

The spelling of 122444431401 in words is "one hundred twenty-two billion, four hundred forty-four million, four hundred thirty-one thousand, four hundred one".