13221124292 has 6 divisors (see below), whose sum is σ = 23136967518. Its totient is φ = 6610562144.

The previous prime is 13221124289. The next prime is 13221124313. The reversal of 13221124292 is 29242112231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9818035396 + 3403088896 = 99086^2 + 58336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652640533 + ... + 1652640540.

It is an arithmetic number, because the mean of its divisors is an integer number (3856161253).

Almost surely, 2^13221124292 is an apocalyptic number.

It is an amenable number.

13221124292 is a deficient number, since it is larger than the sum of its proper divisors (9915843226).

13221124292 is a wasteful number, since it uses less digits than its factorization.

13221124292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305281077 (or 3305281075 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The spelling of 13221124292 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-four thousand, two hundred ninety-two".