12321130211 has 24 divisors (see below), whose sum is σ = 14077924224. Its totient is φ = 10712943360.

The previous prime is 12321130207. The next prime is 12321130231. The reversal of 12321130211 is 11203112321.

It is not a de Polignac number, because 12321130211 - 2² = 12321130207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12321130211.

It is not an unprimeable number, because it can be changed into a prime (12321130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434510 + ... + 461996.

It is an arithmetic number, because the mean of its divisors is an integer number (586580176).

Almost surely, 2^12321130211 is an apocalyptic number.

12321130211 is a deficient number, since it is larger than the sum of its proper divisors (1756794013).

12321130211 is a wasteful number, since it uses less digits than its factorization.

12321130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27599 (or 27570 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12321130211 its reverse (11203112321), we get a palindrome (23524242532).

The spelling of 12321130211 in words is "twelve billion, three hundred twenty-one million, one hundred thirty thousand, two hundred eleven".