12213231032 has 16 divisors (see below), whose sum is σ = 22901016600. Its totient is φ = 6106293280.

The previous prime is 12213231031. The next prime is 12213231061. The reversal of 12213231032 is 23013231221.

It is a junction number, because it is equal to n+sod(n) for n = 12213230995 and 12213231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213231031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218894 + ... + 268962.

Almost surely, 2^12213231032 is an apocalyptic number.

It is an amenable number.

12213231032 is a deficient number, since it is larger than the sum of its proper divisors (10687785568).

12213231032 is a wasteful number, since it uses less digits than its factorization.

12213231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80566 (or 80562 counting only the distinct ones).

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

Adding to 12213231032 its reverse (23013231221), we get a palindrome (35226462253).

The spelling of 12213231032 in words is "twelve billion, two hundred thirteen million, two hundred thirty-one thousand, thirty-two".