12211310032 has 20 divisors (see below), whose sum is σ = 24904646080. Its totient is φ = 5784304608.

The previous prime is 12211309993. The next prime is 12211310047. The reversal of 12211310032 is 23001311221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12211309988 and 12211310015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20084088 + ... + 20084695.

It is an arithmetic number, because the mean of its divisors is an integer number (1245232304).

Almost surely, 2^12211310032 is an apocalyptic number.

It is an amenable number.

12211310032 is an abundant number, since it is smaller than the sum of its proper divisors (12693336048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211310032 is a wasteful number, since it uses less digits than its factorization.

12211310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40168810 (or 40168804 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12211310032 its reverse (23001311221), we get a palindrome (35212621253).

The spelling of 12211310032 in words is "twelve billion, two hundred eleven million, three hundred ten thousand, thirty-two".