13221477142 has 8 divisors (see below), whose sum is σ = 20876016600. Its totient is φ = 6262804944.

The previous prime is 13221477131. The next prime is 13221477163. The reversal of 13221477142 is 24177412231.

13221477142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13221477098 and 13221477107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173966767 + ... + 173966842.

It is an arithmetic number, because the mean of its divisors is an integer number (2609502075).

Almost surely, 2^13221477142 is an apocalyptic number.

13221477142 is a deficient number, since it is larger than the sum of its proper divisors (7654539458).

13221477142 is a wasteful number, since it uses less digits than its factorization.

13221477142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347933630.

The product of its digits is 18816, while the sum is 34.

Adding to 13221477142 its reverse (24177412231), we get a palindrome (37398889373).

The spelling of 13221477142 in words is "thirteen billion, two hundred twenty-one million, four hundred seventy-seven thousand, one hundred forty-two".