122878230266 has 32 divisors (see below), whose sum is σ = 212844456000. Its totient is φ = 52673604480.

The previous prime is 122878230253. The next prime is 122878230269. The reversal of 122878230266 is 662032878221.

It is a super-3 number, since 3×122878230266³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122878230266.

It is not an unprimeable number, because it can be changed into a prime (122878230269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212091 + ... + 2266958.

It is an arithmetic number, because the mean of its divisors is an integer number (6651389250).

Almost surely, 2^122878230266 is an apocalyptic number.

122878230266 is a deficient number, since it is larger than the sum of its proper divisors (89966225734).

122878230266 is a wasteful number, since it uses less digits than its factorization.

122878230266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479134.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 122878230266 in words is "one hundred twenty-two billion, eight hundred seventy-eight million, two hundred thirty thousand, two hundred sixty-six".