123200203212321 has 16 divisors (see below), whose sum is σ = 166634589312000. Its totient is φ = 80950393417040.

The previous prime is 123200203212283. The next prime is 123200203212341. The reversal of 123200203212321 is 123212302002321.

It is a cyclic number.

It is not a de Polignac number, because 123200203212321 - 2⁷ = 123200203212193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123200203212291 and 123200203212300.

It is not an unprimeable number, because it can be changed into a prime (123200203212341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93148821 + ... + 94462178.

It is an arithmetic number, because the mean of its divisors is an integer number (10414661832000).

Almost surely, 2^{123200203212321} is an apocalyptic number.

It is an amenable number.

123200203212321 is a deficient number, since it is larger than the sum of its proper divisors (43434386099679).

123200203212321 is a wasteful number, since it uses less digits than its factorization.

123200203212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187614156.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123200203212321 its reverse (123212302002321), we get a palindrome (246412505214642).

The spelling of 123200203212321 in words is "one hundred twenty-three trillion, two hundred billion, two hundred three million, two hundred twelve thousand, three hundred twenty-one".