12221330132 has 24 divisors (see below), whose sum is σ = 23538114432. Its totient is φ = 5505987200.

The previous prime is 12221330123. The next prime is 12221330189. The reversal of 12221330132 is 23103312221.

12221330132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12221330132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224044 + ... + 1233987.

It is an arithmetic number, because the mean of its divisors is an integer number (980754768).

Almost surely, 2^12221330132 is an apocalyptic number.

It is an amenable number.

12221330132 is a deficient number, since it is larger than the sum of its proper divisors (11316784300).

12221330132 is a wasteful number, since it uses less digits than its factorization.

12221330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458159 (or 2458157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12221330132 its reverse (23103312221), we get a palindrome (35324642353).

The spelling of 12221330132 in words is "twelve billion, two hundred twenty-one million, three hundred thirty thousand, one hundred thirty-two".