122027721217 has 8 divisors (see below), whose sum is σ = 128457996800. Its totient is φ = 115598222064.

The previous prime is 122027721191. The next prime is 122027721239. The reversal of 122027721217 is 712127720221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122027721217 - 2⁷ = 122027721089 is a prime.

It is a super-2 number, since 2×122027721217² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122027721817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143584 + ... + 514462.

It is an arithmetic number, because the mean of its divisors is an integer number (16057249600).

Almost surely, 2^122027721217 is an apocalyptic number.

It is an amenable number.

122027721217 is a deficient number, since it is larger than the sum of its proper divisors (6430275583).

122027721217 is a wasteful number, since it uses less digits than its factorization.

122027721217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388215.

The product of its (nonzero) digits is 10976, while the sum is 34.

The spelling of 122027721217 in words is "one hundred twenty-two billion, twenty-seven million, seven hundred twenty-one thousand, two hundred seventeen".