122352091442 has 24 divisors (see below), whose sum is σ = 213504461100. Its totient is φ = 52433529120.

The previous prime is 122352091441. The next prime is 122352091457. The reversal of 122352091442 is 244190253221.

It can be written as a sum of positive squares in 2 ways, for example, as 92392289521 + 29959801921 = 303961^2 + 173089^2 .

It is not an unprimeable number, because it can be changed into a prime (122352091441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2605184 + ... + 2651732.

Almost surely, 2^122352091442 is an apocalyptic number.

122352091442 is a deficient number, since it is larger than the sum of its proper divisors (91152369658).

122352091442 is a wasteful number, since it uses less digits than its factorization.

122352091442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73386 (or 73379 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

It can be divided in two parts, 122 and 352091442, that multiplied together give a palindrome (42955155924).

The spelling of 122352091442 in words is "one hundred twenty-two billion, three hundred fifty-two million, ninety-one thousand, four hundred forty-two".