123212123300200 has 96 divisors (see below), whose sum is σ = 318407178627360. Its totient is φ = 43959042233600.

The previous prime is 123212123300171. The next prime is 123212123300207. The reversal of 123212123300200 is 2003321212321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (123212123300207) 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 23 ways as a sum of consecutive naturals, for example, 528237274 + ... + 528470473.

It is an arithmetic number, because the mean of its divisors is an integer number (3316741444035).

Almost surely, 2^{123212123300200} is an apocalyptic number.

123212123300200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123212123300200 is an abundant number, since it is smaller than the sum of its proper divisors (195195055327160).

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

123212123300200 is a wasteful number, since it uses less digits than its factorization.

123212123300200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056707827 (or 1056707818 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123212123300200 its reverse (2003321212321), we get a palindrome (125215444512521).

The spelling of 123212123300200 in words is "one hundred twenty-three trillion, two hundred twelve billion, one hundred twenty-three million, three hundred thousand, two hundred".