122212220143 has 4 divisors (see below), whose sum is σ = 131613160168. Its totient is φ = 112811280120.

The previous prime is 122212220131. The next prime is 122212220153. The reversal of 122212220143 is 341022212221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341022212221 = 26863 ⋅12694867.

It is a cyclic number.

It is not a de Polignac number, because 122212220143 - 2¹³ = 122212211951 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 (122212220153) 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 3 ways as a sum of consecutive naturals, for example, 4700469993 + ... + 4700470018.

It is an arithmetic number, because the mean of its divisors is an integer number (32903290042).

Almost surely, 2^122212220143 is an apocalyptic number.

122212220143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122212220143 is a deficient number, since it is larger than the sum of its proper divisors (9400940025).

122212220143 is an equidigital number, since it uses as much as digits as its factorization.

122212220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400940024.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 122212220143 its reverse (341022212221), we get a palindrome (463234432364).

The spelling of 122212220143 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred forty-three".