122681972422 has 4 divisors (see below), whose sum is σ = 184022958636. Its totient is φ = 61340986210.

The previous prime is 122681972417. The next prime is 122681972437. The reversal of 122681972422 is 224279186221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30670493104 + ... + 30670493107.

It is an arithmetic number, because the mean of its divisors is an integer number (46005739659).

Almost surely, 2^122681972422 is an apocalyptic number.

122681972422 is a deficient number, since it is larger than the sum of its proper divisors (61340986214).

122681972422 is an equidigital number, since it uses as much as digits as its factorization.

122681972422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61340986213.

The product of its digits is 387072, while the sum is 46.

The spelling of 122681972422 in words is "one hundred twenty-two billion, six hundred eighty-one million, nine hundred seventy-two thousand, four hundred twenty-two".