123312200213 has 4 divisors (see below), whose sum is σ = 123368177088. Its totient is φ = 123256223340.

The previous prime is 123312200159. The next prime is 123312200227. The reversal of 123312200213 is 312002213321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123312200213 - 2¹⁸ = 123311938069 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 (123312200243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27985133 + ... + 27989538.

It is an arithmetic number, because the mean of its divisors is an integer number (30842044272).

Almost surely, 2^123312200213 is an apocalyptic number.

It is an amenable number.

123312200213 is a deficient number, since it is larger than the sum of its proper divisors (55976875).

123312200213 is an equidigital number, since it uses as much as digits as its factorization.

123312200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55976874.

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

Adding to 123312200213 its reverse (312002213321), we get a palindrome (435314413534).

The spelling of 123312200213 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thousand, two hundred thirteen".