122443401442 has 16 divisors (see below), whose sum is σ = 194858676000. Its totient is φ = 57504944448.

The previous prime is 122443401419. The next prime is 122443401449. The reversal of 122443401442 is 244104344221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122443401449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591528 + ... + 3625459.

It is an arithmetic number, because the mean of its divisors is an integer number (12178667250).

Almost surely, 2^122443401442 is an apocalyptic number.

122443401442 is a deficient number, since it is larger than the sum of its proper divisors (72415274558).

122443401442 is a wasteful number, since it uses less digits than its factorization.

122443401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217505.

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

Adding to 122443401442 its reverse (244104344221), we get a palindrome (366547745663).

The spelling of 122443401442 in words is "one hundred twenty-two billion, four hundred forty-three million, four hundred one thousand, four hundred forty-two".