122013321442 has 16 divisors (see below), whose sum is σ = 183165882552. Its totient is φ = 60958051840.

The previous prime is 122013321439. The next prime is 122013321449. The reversal of 122013321442 is 244123310221.

It can be written as a sum of positive squares in 4 ways, for example, as 92817106281 + 29196215161 = 304659^2 + 170869^2 .

It is not an unprimeable number, because it can be changed into a prime (122013321449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23675538 + ... + 23680690.

Almost surely, 2^122013321442 is an apocalyptic number.

122013321442 is a deficient number, since it is larger than the sum of its proper divisors (61152561110).

122013321442 is a wasteful number, since it uses less digits than its factorization.

122013321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122013321442 its reverse (244123310221), we get a palindrome (366136631663).

The spelling of 122013321442 in words is "one hundred twenty-two billion, thirteen million, three hundred twenty-one thousand, four hundred forty-two".