12321140235 has 64 divisors (see below), whose sum is σ = 22483422720. Its totient is φ = 5722859520.

The previous prime is 12321140233. The next prime is 12321140243. The reversal of 12321140235 is 53204112321.

It is not a de Polignac number, because 12321140235 - 2¹ = 12321140233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321140231) 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 63 ways as a sum of consecutive naturals, for example, 178765 + ... + 237905.

It is an arithmetic number, because the mean of its divisors is an integer number (351303480).

Almost surely, 2^12321140235 is an apocalyptic number.

12321140235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12321140235 is a deficient number, since it is larger than the sum of its proper divisors (10162282485).

12321140235 is a wasteful number, since it uses less digits than its factorization.

12321140235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59228.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12321140235 its reverse (53204112321), we get a palindrome (65525252556).

The spelling of 12321140235 in words is "twelve billion, three hundred twenty-one million, one hundred forty thousand, two hundred thirty-five".