122278454688 has 72 divisors (see below), whose sum is σ = 347571127008. Its totient is φ = 37624134912.

The previous prime is 122278454681. The next prime is 122278454723. The reversal of 122278454688 is 886454872221.

It is not an unprimeable number, because it can be changed into a prime (122278454681) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3752220 + ... + 3784667.

It is an arithmetic number, because the mean of its divisors is an integer number (4827376764).

Almost surely, 2^122278454688 is an apocalyptic number.

It is an amenable number.

122278454688 is an abundant number, since it is smaller than the sum of its proper divisors (225292672320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122278454688 is a wasteful number, since it uses less digits than its factorization.

122278454688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536926 (or 7536905 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 57.

The spelling of 122278454688 in words is "one hundred twenty-two billion, two hundred seventy-eight million, four hundred fifty-four thousand, six hundred eighty-eight".