122313212300 has 36 divisors (see below), whose sum is σ = 269157991536. Its totient is φ = 48236193600.

The previous prime is 122313212261. The next prime is 122313212303. The reversal of 122313212300 is 3212313221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (122313212303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8606507 + ... + 8620706.

It is an arithmetic number, because the mean of its divisors is an integer number (7476610876).

Almost surely, 2^122313212300 is an apocalyptic number.

122313212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313212300 is an abundant number, since it is smaller than the sum of its proper divisors (146844779236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122313212300 is a wasteful number, since it uses less digits than its factorization.

122313212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17227298 (or 17227291 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122313212300 its reverse (3212313221), we get a palindrome (125525525521).

The spelling of 122313212300 in words is "one hundred twenty-two billion, three hundred thirteen million, two hundred twelve thousand, three hundred".