122200340312 has 16 divisors (see below), whose sum is σ = 230288715360. Its totient is φ = 60790016224.

The previous prime is 122200340267. The next prime is 122200340351. The reversal of 122200340312 is 213043002221.

It is a super-2 number, since 2×122200340312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38767568 + ... + 38770719.

It is an arithmetic number, because the mean of its divisors is an integer number (14393044710).

Almost surely, 2^122200340312 is an apocalyptic number.

It is an amenable number.

122200340312 is a deficient number, since it is larger than the sum of its proper divisors (108088375048).

122200340312 is a wasteful number, since it uses less digits than its factorization.

122200340312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77538490 (or 77538486 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122200340312 its reverse (213043002221), we get a palindrome (335243342533).

The spelling of 122200340312 in words is "one hundred twenty-two billion, two hundred million, three hundred forty thousand, three hundred twelve".