12312232030 has 16 divisors (see below), whose sum is σ = 25328020320. Its totient is φ = 4221336672.

The previous prime is 12312232021. The next prime is 12312232033. The reversal of 12312232030 is 3023221321.

It is a junction number, because it is equal to n+sod(n) for n = 12312231989 and 12312232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312232033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87944445 + ... + 87944584.

It is an arithmetic number, because the mean of its divisors is an integer number (1583001270).

Almost surely, 2^12312232030 is an apocalyptic number.

12312232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312232030 is an abundant number, since it is smaller than the sum of its proper divisors (13015788290).

12312232030 is a wasteful number, since it uses less digits than its factorization.

12312232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175889043.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312232030 its reverse (3023221321), we get a palindrome (15335453351).

The spelling of 12312232030 in words is "twelve billion, three hundred twelve million, two hundred thirty-two thousand, thirty".