13221231010 has 32 divisors (see below), whose sum is σ = 25688420352. Its totient is φ = 4870338240.

The previous prime is 13221230983. The next prime is 13221231011. The reversal of 13221231010 is 1013212231.

It is not an unprimeable number, because it can be changed into a prime (13221231011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61954 + ... + 174013.

It is an arithmetic number, because the mean of its divisors is an integer number (802763136).

Almost surely, 2^13221231010 is an apocalyptic number.

13221231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221231010 is a deficient number, since it is larger than the sum of its proper divisors (12467189342).

13221231010 is a wasteful number, since it uses less digits than its factorization.

13221231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236418.

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

Adding to 13221231010 its reverse (1013212231), we get a palindrome (14234443241).

The spelling of 13221231010 in words is "thirteen billion, two hundred twenty-one million, two hundred thirty-one thousand, ten".