12211311032 has 32 divisors (see below), whose sum is σ = 23023696080. Its totient is φ = 6071708160.

The previous prime is 12211311023. The next prime is 12211311037. The reversal of 12211311032 is 23011311221.

It is a super-2 number, since 2×12211311032² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211311032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211311037) 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, 2855648 + ... + 2859920.

Almost surely, 2^12211311032 is an apocalyptic number.

It is an amenable number.

12211311032 is a deficient number, since it is larger than the sum of its proper divisors (10812385048).

12211311032 is a wasteful number, since it uses less digits than its factorization.

12211311032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12211311032 its reverse (23011311221), we get a palindrome (35222622253).

The spelling of 12211311032 in words is "twelve billion, two hundred eleven million, three hundred eleven thousand, thirty-two".