12211432232 has 8 divisors (see below), whose sum is σ = 22896435450. Its totient is φ = 6105716112.

The previous prime is 12211432223. The next prime is 12211432253. The reversal of 12211432232 is 23223411221.

It can be written as a sum of positive squares in only one way, i.e., 8707502596 + 3503929636 = 93314^2 + 59194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12211432198 and 12211432207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763214507 + ... + 763214522.

Almost surely, 2^12211432232 is an apocalyptic number.

It is an amenable number.

12211432232 is a deficient number, since it is larger than the sum of its proper divisors (10685003218).

12211432232 is a wasteful number, since it uses less digits than its factorization.

12211432232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526429035 (or 1526429031 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 12211432232 its reverse (23223411221), we get a palindrome (35434843453).

The spelling of 12211432232 in words is "twelve billion, two hundred eleven million, four hundred thirty-two thousand, two hundred thirty-two".