122221200042442 has 8 divisors (see below), whose sum is σ = 183335061957696. Its totient is φ = 61109512723212.

The previous prime is 122221200042439. The next prime is 122221200042503. The reversal of 122221200042442 is 244240002122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122221200042442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543508488 + ... + 543733315.

It is an arithmetic number, because the mean of its divisors is an integer number (22916882744712).

Almost surely, 2^{122221200042442} is an apocalyptic number.

122221200042442 is a deficient number, since it is larger than the sum of its proper divisors (61113861915254).

122221200042442 is a wasteful number, since it uses less digits than its factorization.

122221200042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087298012.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 122221200042442 its reverse (244240002122221), we get a palindrome (366461202164663).

The spelling of 122221200042442 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, forty-two thousand, four hundred forty-two".