122120002202122 has 8 divisors (see below), whose sum is σ = 183227105398500. Its totient is φ = 61044300402624.

The previous prime is 122120002202119. The next prime is 122120002202137. The reversal of 122120002202122 is 221202200021221.

It can be written as a sum of positive squares in 2 ways, for example, as 99817703156161 + 22302299045961 = 9990881^2 + 4722531^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122120002202122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7850339497 + ... + 7850355052.

Almost surely, 2^{122120002202122} is an apocalyptic number.

122120002202122 is a deficient number, since it is larger than the sum of its proper divisors (61107103196378).

122120002202122 is a wasteful number, since it uses less digits than its factorization.

122120002202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15700698440.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122120002202122 its reverse (221202200021221), we get a palindrome (343322202223343).

The spelling of 122120002202122 in words is "one hundred twenty-two trillion, one hundred twenty billion, two million, two hundred two thousand, one hundred twenty-two".