122346681478 has 16 divisors (see below), whose sum is σ = 210572780544. Its totient is φ = 52225389000.

The previous prime is 122346681473. The next prime is 122346681481. The reversal of 122346681478 is 874186643221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122346681473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17404950 + ... + 17411977.

It is an arithmetic number, because the mean of its divisors is an integer number (13160798784).

Almost surely, 2^122346681478 is an apocalyptic number.

122346681478 is a deficient number, since it is larger than the sum of its proper divisors (88226099066).

122346681478 is a wasteful number, since it uses less digits than its factorization.

122346681478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34817187.

The product of its digits is 3096576, while the sum is 52.

The spelling of 122346681478 in words is "one hundred twenty-two billion, three hundred forty-six million, six hundred eighty-one thousand, four hundred seventy-eight".