29442423122 has 18 divisors (see below), whose sum is σ = 51376988133. Its totient is φ = 12617453352.

The previous prime is 29442423113. The next prime is 29442423163. The reversal of 29442423122 is 22132424492.

It can be written as a sum of positive squares in 2 ways, for example, as 21152502721 + 8289920401 = 145439^2 + 91049^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=121331.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1689968 + ... + 1707300.

Almost surely, 2^29442423122 is an apocalyptic number.

29442423122 is a deficient number, since it is larger than the sum of its proper divisors (21934565011).

29442423122 is an frugal number, since it uses more digits than its factorization.

29442423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34682 (or 17342 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The spelling of 29442423122 in words is "twenty-nine billion, four hundred forty-two million, four hundred twenty-three thousand, one hundred twenty-two".