13122303312 has 20 divisors (see below), whose sum is σ = 33899283680. Its totient is φ = 4374101088.

The previous prime is 13122303287. The next prime is 13122303323. The reversal of 13122303312 is 21330322131.

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, 136690612 + ... + 136690707.

It is an arithmetic number, because the mean of its divisors is an integer number (1694964184).

Almost surely, 2^13122303312 is an apocalyptic number.

13122303312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13122303312 is an abundant number, since it is smaller than the sum of its proper divisors (20776980368).

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

13122303312 is a wasteful number, since it uses less digits than its factorization.

13122303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273381330 (or 273381324 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13122303312 its reverse (21330322131), we get a palindrome (34452625443).

The spelling of 13122303312 in words is "thirteen billion, one hundred twenty-two million, three hundred three thousand, three hundred twelve".