122404143442 has 16 divisors (see below), whose sum is σ = 211998931200. Its totient is φ = 51918104448.

The previous prime is 122404143413. The next prime is 122404143451. The reversal of 122404143442 is 244341404221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45066442 + ... + 45069157.

It is an arithmetic number, because the mean of its divisors is an integer number (13249933200).

Almost surely, 2^122404143442 is an apocalyptic number.

122404143442 is a deficient number, since it is larger than the sum of its proper divisors (89594787758).

122404143442 is an equidigital number, since it uses as much as digits as its factorization.

122404143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90135705.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 122404143442 its reverse (244341404221), we get a palindrome (366745547663).

The spelling of 122404143442 in words is "one hundred twenty-two billion, four hundred four million, one hundred forty-three thousand, four hundred forty-two".