12032312222 has 32 divisors (see below), whose sum is σ = 21353656320. Its totient is φ = 4975256160.

The previous prime is 12032312179. The next prime is 12032312233. The reversal of 12032312222 is 22221323021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12032312194 and 12032312203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587153 + ... + 607299.

It is an arithmetic number, because the mean of its divisors is an integer number (667301760).

Almost surely, 2^12032312222 is an apocalyptic number.

12032312222 is a deficient number, since it is larger than the sum of its proper divisors (9321344098).

12032312222 is a wasteful number, since it uses less digits than its factorization.

12032312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21656.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12032312222 its reverse (22221323021), we get a palindrome (34253635243).

The spelling of 12032312222 in words is "twelve billion, thirty-two million, three hundred twelve thousand, two hundred twenty-two".