13221110132 has 6 divisors (see below), whose sum is σ = 23136942738. Its totient is φ = 6610555064.

The previous prime is 13221110129. The next prime is 13221110143. The reversal of 13221110132 is 23101112231.

It can be written as a sum of positive squares in only one way, i.e., 12675607396 + 545502736 = 112586^2 + 23356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13221110132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652638763 + ... + 1652638770.

It is an arithmetic number, because the mean of its divisors is an integer number (3856157123).

Almost surely, 2^13221110132 is an apocalyptic number.

It is an amenable number.

13221110132 is a deficient number, since it is larger than the sum of its proper divisors (9915832606).

13221110132 is a wasteful number, since it uses less digits than its factorization.

13221110132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305277537 (or 3305277535 counting only the distinct ones).

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

Adding to 13221110132 its reverse (23101112231), we get a palindrome (36322222363).

The spelling of 13221110132 in words is "thirteen billion, two hundred twenty-one million, one hundred ten thousand, one hundred thirty-two".