122212615442 has 16 divisors (see below), whose sum is σ = 192982003200. Its totient is φ = 57885771600.

The previous prime is 122212615403. The next prime is 122212615501. The reversal of 122212615442 is 244516212221.

It is a junction number, because it is equal to n+sod(n) for n = 122212615399 and 122212615408.

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, 412559 + ... + 643917.

It is an arithmetic number, because the mean of its divisors is an integer number (12061375200).

Almost surely, 2^122212615442 is an apocalyptic number.

122212615442 is a deficient number, since it is larger than the sum of its proper divisors (70769387758).

122212615442 is a wasteful number, since it uses less digits than its factorization.

122212615442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245281.

The product of its digits is 15360, while the sum is 32.

Adding to 122212615442 its reverse (244516212221), we get a palindrome (366728827663).

The spelling of 122212615442 in words is "one hundred twenty-two billion, two hundred twelve million, six hundred fifteen thousand, four hundred forty-two".