12120200323 has 32 divisors (see below), whose sum is σ = 15463065600. Its totient is φ = 9417502080.

The previous prime is 12120200321. The next prime is 12120200353. The reversal of 12120200323 is 32300202121.

It is not a de Polignac number, because 12120200323 - 2¹ = 12120200321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120200297 and 12120200306.

It is not an unprimeable number, because it can be changed into a prime (12120200321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1380315 + ... + 1389067.

It is an arithmetic number, because the mean of its divisors is an integer number (483220800).

Almost surely, 2^12120200323 is an apocalyptic number.

12120200323 is a deficient number, since it is larger than the sum of its proper divisors (3342865277).

12120200323 is an equidigital number, since it uses as much as digits as its factorization.

12120200323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120200323 its reverse (32300202121), we get a palindrome (44420402444).

The spelling of 12120200323 in words is "twelve billion, one hundred twenty million, two hundred thousand, three hundred twenty-three".