12131321132003 has 16 divisors (see below), whose sum is σ = 12262669224960. Its totient is φ = 12000737865600.

The previous prime is 12131321131999. The next prime is 12131321132071. The reversal of 12131321132003 is 30023112313121.

It is a cyclic number.

It is not a de Polignac number, because 12131321132003 - 2² = 12131321131999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12131321132003.

It is not an unprimeable number, because it can be changed into a prime (12131321132093) 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, 61519718 + ... + 61716596.

It is an arithmetic number, because the mean of its divisors is an integer number (766416826560).

Almost surely, 2^{12131321132003} is an apocalyptic number.

12131321132003 is a deficient number, since it is larger than the sum of its proper divisors (131348092957).

12131321132003 is a wasteful number, since it uses less digits than its factorization.

12131321132003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198818.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12131321132003 its reverse (30023112313121), we get a palindrome (42154433445124).

The spelling of 12131321132003 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, three".