122012171710221 has 8 divisors (see below), whose sum is σ = 175196964507040. Its totient is φ = 75084413360112.

The previous prime is 122012171710207. The next prime is 122012171710277. The reversal of 122012171710221 is 122017171210221.

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

It is not a de Polignac number, because 122012171710221 - 2²⁹ = 122011634839309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012171710291) 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, 1564258611631 + ... + 1564258611708.

It is an arithmetic number, because the mean of its divisors is an integer number (21899620563380).

Almost surely, 2^{122012171710221} is an apocalyptic number.

It is an amenable number.

122012171710221 is a deficient number, since it is larger than the sum of its proper divisors (53184792796819).

122012171710221 is a wasteful number, since it uses less digits than its factorization.

122012171710221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128517223355.

The product of its (nonzero) digits is 1568, while the sum is 30.

The spelling of 122012171710221 in words is "one hundred twenty-two trillion, twelve billion, one hundred seventy-one million, seven hundred ten thousand, two hundred twenty-one".