12011230322 has 32 divisors (see below), whose sum is σ = 22289538432. Its totient is φ = 4727061504.

The previous prime is 12011230313. The next prime is 12011230327. The reversal of 12011230322 is 22303211021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011230322.

It is not an unprimeable number, because it can be changed into a prime (12011230327) 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, 135848 + ... + 206099.

It is an arithmetic number, because the mean of its divisors is an integer number (696548076).

Almost surely, 2^12011230322 is an apocalyptic number.

12011230322 is a deficient number, since it is larger than the sum of its proper divisors (10278308110).

12011230322 is a wasteful number, since it uses less digits than its factorization.

12011230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342162.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12011230322 its reverse (22303211021), we get a palindrome (34314441343).

The spelling of 12011230322 in words is "twelve billion, eleven million, two hundred thirty thousand, three hundred twenty-two".