12512111353 has 8 divisors (see below), whose sum is σ = 14301151808. Its totient is φ = 10723469904.

The previous prime is 12512111321. The next prime is 12512111413. The reversal of 12512111353 is 35311121521.

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

It is not a de Polignac number, because 12512111353 - 2⁵ = 12512111321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12510111353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29226 + ... + 160867.

It is an arithmetic number, because the mean of its divisors is an integer number (1787643976).

Almost surely, 2^12512111353 is an apocalyptic number.

It is an amenable number.

12512111353 is a deficient number, since it is larger than the sum of its proper divisors (1789040455).

12512111353 is an equidigital number, since it uses as much as digits as its factorization.

12512111353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199503.

The product of its digits is 900, while the sum is 25.

Adding to 12512111353 its reverse (35311121521), we get a palindrome (47823232874).

The spelling of 12512111353 in words is "twelve billion, five hundred twelve million, one hundred eleven thousand, three hundred fifty-three".