12131255245 has 8 divisors (see below), whose sum is σ = 14896053216. Its totient is φ = 9479306256.

The previous prime is 12131255243. The next prime is 12131255293. The reversal of 12131255245 is 54255213121.

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

It is a cyclic number.

It is not a de Polignac number, because 12131255245 - 2¹ = 12131255243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131255243) 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, 28212007 + ... + 28212436.

It is an arithmetic number, because the mean of its divisors is an integer number (1862006652).

Almost surely, 2^12131255245 is an apocalyptic number.

It is an amenable number.

12131255245 is a deficient number, since it is larger than the sum of its proper divisors (2764797971).

12131255245 is an equidigital number, since it uses as much as digits as its factorization.

12131255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56424491.

The product of its digits is 12000, while the sum is 31.

Adding to 12131255245 its reverse (54255213121), we get a palindrome (66386468366).

The spelling of 12131255245 in words is "twelve billion, one hundred thirty-one million, two hundred fifty-five thousand, two hundred forty-five".