12221303032 has 32 divisors (see below), whose sum is σ = 23105124000. Its totient is φ = 6060067200.

The previous prime is 12221302999. The next prime is 12221303033. The reversal of 12221303032 is 23030312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221303033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780157 + ... + 795667.

It is an arithmetic number, because the mean of its divisors is an integer number (722035125).

Almost surely, 2^12221303032 is an apocalyptic number.

It is an amenable number.

12221303032 is a deficient number, since it is larger than the sum of its proper divisors (10883820968).

12221303032 is a wasteful number, since it uses less digits than its factorization.

12221303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327 (or 16323 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12221303032 its reverse (23030312221), we get a palindrome (35251615253).

The spelling of 12221303032 in words is "twelve billion, two hundred twenty-one million, three hundred three thousand, thirty-two".