122120013243 has 8 divisors (see below), whose sum is σ = 163537718800. Its totient is φ = 81057824928.

The previous prime is 122120013241. The next prime is 122120013251. The reversal of 122120013243 is 342310021221.

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

It is not a de Polignac number, because 122120013243 - 2¹ = 122120013241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120013241) 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 7 ways as a sum of consecutive naturals, for example, 88878508 + ... + 88879881.

It is an arithmetic number, because the mean of its divisors is an integer number (20442214850).

Almost surely, 2^122120013243 is an apocalyptic number.

122120013243 is a deficient number, since it is larger than the sum of its proper divisors (41417705557).

122120013243 is a wasteful number, since it uses less digits than its factorization.

122120013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177758621.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122120013243 its reverse (342310021221), we get a palindrome (464430034464).

The spelling of 122120013243 in words is "one hundred twenty-two billion, one hundred twenty million, thirteen thousand, two hundred forty-three".