12232320001 has 4 divisors (see below), whose sum is σ = 13344349104. Its totient is φ = 11120290900.

The previous prime is 12232319941. The next prime is 12232320011. The reversal of 12232320001 is 10002323221.

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 12232320001 - 2¹³ = 12232311809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232320011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556014535 + ... + 556014556.

It is an arithmetic number, because the mean of its divisors is an integer number (3336087276).

Almost surely, 2^12232320001 is an apocalyptic number.

12232320001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12232320001 is a deficient number, since it is larger than the sum of its proper divisors (1112029103).

12232320001 is a wasteful number, since it uses less digits than its factorization.

12232320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112029102.

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

Adding to 12232320001 its reverse (10002323221), we get a palindrome (22234643222).

It can be divided in two parts, 12232 and 320001, that added together give a palindrome (332233).

The spelling of 12232320001 in words is "twelve billion, two hundred thirty-two million, three hundred twenty thousand, one".