122178218076712 has 64 divisors (see below), whose sum is σ = 263687520096000. Its totient is φ = 51987970782720.

The previous prime is 122178218076697. The next prime is 122178218076713. The reversal of 122178218076712 is 217670812871221.

It is a happy number.

It is a super-3 number, since 3×122178218076712³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122178218076713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8861364 + ... + 17968867.

It is an arithmetic number, because the mean of its divisors is an integer number (4120117501500).

Almost surely, 2^{122178218076712} is an apocalyptic number.

It is an amenable number.

122178218076712 is an abundant number, since it is smaller than the sum of its proper divisors (141509302019288).

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

122178218076712 is a wasteful number, since it uses less digits than its factorization.

122178218076712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830826 (or 26830822 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 55.

The spelling of 122178218076712 in words is "one hundred twenty-two trillion, one hundred seventy-eight billion, two hundred eighteen million, seventy-six thousand, seven hundred twelve".