122212143 has 12 divisors (see below), whose sum is σ = 178349808. Its totient is φ = 80634240.

The previous prime is 122212141. The next prime is 122212157. The reversal of 122212143 is 341212221.

It is a happy number.

It is not a de Polignac number, because 122212143 - 2¹ = 122212141 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69123 + ... + 70868.

It is an arithmetic number, because the mean of its divisors is an integer number (14862484).

Almost surely, 2^122212143 is an apocalyptic number.

122212143 is a deficient number, since it is larger than the sum of its proper divisors (56137665).

122212143 is a wasteful number, since it uses less digits than its factorization.

122212143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140094 (or 140091 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 122212143 is about 11054.9601084762. The cubic root of 122212143 is about 496.2548754562.

Adding to 122212143 its reverse (341212221), we get a palindrome (463424364).

The spelling of 122212143 in words is "one hundred twenty-two million, two hundred twelve thousand, one hundred forty-three".