12531301005 has 16 divisors (see below), whose sum is σ = 20151863424. Its totient is φ = 6649433280.

The previous prime is 12531300941. The next prime is 12531301009. The reversal of 12531301005 is 50010313521.

It is not a de Polignac number, because 12531301005 - 2⁶ = 12531300941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531301009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117401 + ... + 2123310.

It is an arithmetic number, because the mean of its divisors is an integer number (1259491464).

Almost surely, 2^12531301005 is an apocalyptic number.

12531301005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12531301005 is a deficient number, since it is larger than the sum of its proper divisors (7620562419).

12531301005 is a wasteful number, since it uses less digits than its factorization.

12531301005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240916.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 12531301005 its reverse (50010313521), we get a palindrome (62541614526).

The spelling of 12531301005 in words is "twelve billion, five hundred thirty-one million, three hundred one thousand, five".