13230120312 has 128 divisors (see below), whose sum is σ = 37078291200. Its totient is φ = 4370889600.

The previous prime is 13230120311. The next prime is 13230120313. The reversal of 13230120312 is 21302103231.

13230120312 is a `hidden beast` number, since 1 + 3 + 230 + 120 + 312 = 666.

13230120312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13230120311) and next prime (13230120313).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230120311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15085218 + ... + 15086094.

It is an arithmetic number, because the mean of its divisors is an integer number (289674150).

Almost surely, 2^13230120312 is an apocalyptic number.

13230120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13230120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18539145600).

13230120312 is an abundant number, since it is smaller than the sum of its proper divisors (23848170888).

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

13230120312 is a wasteful number, since it uses less digits than its factorization.

13230120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13230120312 its reverse (21302103231), we get a palindrome (34532223543).

The spelling of 13230120312 in words is "thirteen billion, two hundred thirty million, one hundred twenty thousand, three hundred twelve".