131212002213313 has 12 divisors (see below), whose sum is σ = 152634576298260. Its totient is φ = 112467278401632.

The previous prime is 131212002213283. The next prime is 131212002213337. The reversal of 131212002213313 is 313312200212131.

It can be written as a sum of positive squares in 2 ways, for example, as 30389276946609 + 100822725266704 = 5512647^2 + 10041052^2 .

It is a de Polignac number, because none of the positive numbers 2^k-131212002213313 is a prime.

It is a super-2 number, since 2×131212002213313² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131212002213113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49475095 + ... + 52059667.

It is an arithmetic number, because the mean of its divisors is an integer number (12719548024855).

Almost surely, 2^{131212002213313} is an apocalyptic number.

It is an amenable number.

131212002213313 is a deficient number, since it is larger than the sum of its proper divisors (21422574084947).

131212002213313 is a wasteful number, since it uses less digits than its factorization.

131212002213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620656 (or 3620649 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131212002213313 its reverse (313312200212131), we get a palindrome (444524202425444).

The spelling of 131212002213313 in words is "one hundred thirty-one trillion, two hundred twelve billion, two million, two hundred thirteen thousand, three hundred thirteen".