12131320001210 has 144 divisors (see below), whose sum is σ = 22795611721848. Its totient is φ = 4647081922560.

The previous prime is 12131320001209. The next prime is 12131320001233. The reversal of 12131320001210 is 1210002313121.

It can be written as a sum of positive squares in 12 ways, for example, as 4451099916169 + 7680220085041 = 2109763^2 + 2771321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67023867320 + ... + 67023867500.

Almost surely, 2^{12131320001210} is an apocalyptic number.

12131320001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131320001210 is a deficient number, since it is larger than the sum of its proper divisors (10664291720638).

12131320001210 is an equidigital number, since it uses as much as digits as its factorization.

12131320001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12131320001210 its reverse (1210002313121), we get a palindrome (13341322314331).

The spelling of 12131320001210 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty million, one thousand, two hundred ten".