123312200133 has 16 divisors (see below), whose sum is σ = 169156154816. Its totient is φ = 79871806080.

The previous prime is 123312200129. The next prime is 123312200159. The reversal of 123312200133 is 331002213321.

It is not a de Polignac number, because 123312200133 - 2² = 123312200129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312200113) 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 15 ways as a sum of consecutive naturals, for example, 4187338 + ... + 4216683.

It is an arithmetic number, because the mean of its divisors is an integer number (10572259676).

Almost surely, 2^123312200133 is an apocalyptic number.

It is an amenable number.

123312200133 is a deficient number, since it is larger than the sum of its proper divisors (45843954683).

123312200133 is an equidigital number, since it uses as much as digits as its factorization.

123312200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404164.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123312200133 its reverse (331002213321), we get a palindrome (454314413454).

The spelling of 123312200133 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thousand, one hundred thirty-three".