123203222001200 has 120 divisors (see below), whose sum is σ = 326101519457136. Its totient is φ = 44357595520000.

The previous prime is 123203222001199. The next prime is 123203222001203. The reversal of 123203222001200 is 2100222302321.

It is a happy number.

It is a super-2 number, since 2×123203222001200² (a number of 29 digits) contains 22 as substring.

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 (123203222001203) 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 23 ways as a sum of consecutive naturals, for example, 138173087 + ... + 139061886.

Almost surely, 2^{123203222001200} is an apocalyptic number.

123203222001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123203222001200 is an abundant number, since it is smaller than the sum of its proper divisors (202898297455936).

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

123203222001200 is a wasteful number, since it uses less digits than its factorization.

123203222001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277235103 (or 277235092 counting only the distinct ones).

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

Adding to 123203222001200 its reverse (2100222302321), we get a palindrome (125303444303521).

It can be divided in two parts, 1232032 and 22001200, that added together give a palindrome (23233232).

The spelling of 123203222001200 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred twenty-two million, one thousand, two hundred".