12222032132 has 6 divisors (see below), whose sum is σ = 21388556238. Its totient is φ = 6111016064.

The previous prime is 12222032047. The next prime is 12222032161. The reversal of 12222032132 is 23123022221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8752350916 + 3469681216 = 93554^2 + 58904^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527754013 + ... + 1527754020.

It is an arithmetic number, because the mean of its divisors is an integer number (3564759373).

Almost surely, 2^12222032132 is an apocalyptic number.

It is an amenable number.

12222032132 is a deficient number, since it is larger than the sum of its proper divisors (9166524106).

12222032132 is a wasteful number, since it uses less digits than its factorization.

12222032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055508037 (or 3055508035 counting only the distinct ones).

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

Adding to 12222032132 its reverse (23123022221), we get a palindrome (35345054353).

The spelling of 12222032132 in words is "twelve billion, two hundred twenty-two million, thirty-two thousand, one hundred thirty-two".