12321003030 has 32 divisors (see below), whose sum is σ = 33794751744. Its totient is φ = 2816229216.

The previous prime is 12321002971. The next prime is 12321003031. The reversal of 12321003030 is 3030012321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321003031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29335512 + ... + 29335931.

It is an arithmetic number, because the mean of its divisors is an integer number (1056085992).

Almost surely, 2^12321003030 is an apocalyptic number.

12321003030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321003030 is an abundant number, since it is smaller than the sum of its proper divisors (21473748714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321003030 is a wasteful number, since it uses less digits than its factorization.

12321003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58671460.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12321003030 its reverse (3030012321), we get a palindrome (15351015351).

The spelling of 12321003030 in words is "twelve billion, three hundred twenty-one million, three thousand, thirty".