12131413561 has 8 divisors (see below), whose sum is σ = 12395512800. Its totient is φ = 11869263840.

The previous prime is 12131413499. The next prime is 12131413583. The reversal of 12131413561 is 16531413121.

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 12131413561 - 2¹³ = 12131405369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131423561) 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, 474796 + ... + 499693.

It is an arithmetic number, because the mean of its divisors is an integer number (1549439100).

Almost surely, 2^12131413561 is an apocalyptic number.

It is an amenable number.

12131413561 is a deficient number, since it is larger than the sum of its proper divisors (264099239).

12131413561 is an equidigital number, since it uses as much as digits as its factorization.

12131413561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974759.

The product of its digits is 2160, while the sum is 28.

Adding to 12131413561 its reverse (16531413121), we get a palindrome (28662826682).

The spelling of 12131413561 in words is "twelve billion, one hundred thirty-one million, four hundred thirteen thousand, five hundred sixty-one".