122452221242 has 16 divisors (see below), whose sum is σ = 198036679680. Its totient is φ = 56450911152.

The previous prime is 122452221239. The next prime is 122452221271. The reversal of 122452221242 is 242122254221.

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, 2706242 + ... + 2751117.

It is an arithmetic number, because the mean of its divisors is an integer number (12377292480).

Almost surely, 2^122452221242 is an apocalyptic number.

122452221242 is a deficient number, since it is larger than the sum of its proper divisors (75584458438).

122452221242 is a wasteful number, since it uses less digits than its factorization.

122452221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458237.

The product of its digits is 10240, while the sum is 29.

Adding to 122452221242 its reverse (242122254221), we get a palindrome (364574475463).

The spelling of 122452221242 in words is "one hundred twenty-two billion, four hundred fifty-two million, two hundred twenty-one thousand, two hundred forty-two".