12230340402 has 32 divisors (see below), whose sum is σ = 28024815744. Its totient is φ = 3485664000.

The previous prime is 12230340401. The next prime is 12230340427. The reversal of 12230340402 is 20404303221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12230340401) 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 15 ways as a sum of consecutive naturals, for example, 346249 + ... + 379932.

It is an arithmetic number, because the mean of its divisors is an integer number (875775492).

Almost surely, 2^12230340402 is an apocalyptic number.

12230340402 is an abundant number, since it is smaller than the sum of its proper divisors (15794475342).

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

12230340402 is a wasteful number, since it uses less digits than its factorization.

12230340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726594.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12230340402 its reverse (20404303221), we get a palindrome (32634643623).

The spelling of 12230340402 in words is "twelve billion, two hundred thirty million, three hundred forty thousand, four hundred two".