1311113132212 has 24 divisors (see below), whose sum is σ = 2471052325896. Its totient is φ = 605102604288.

The previous prime is 1311113132209. The next prime is 1311113132243. The reversal of 1311113132212 is 2122313111131.

It can be written as a sum of positive squares in 4 ways, for example, as 10404816016 + 1300708316196 = 102004^2 + 1140486^2 .

It is a super-2 number, since 2×1311113132212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 670308 + ... + 1752580.

It is an arithmetic number, because the mean of its divisors is an integer number (102960513579).

Almost surely, 2^{1311113132212} is an apocalyptic number.

It is an amenable number.

1311113132212 is a deficient number, since it is larger than the sum of its proper divisors (1159939193684).

1311113132212 is a wasteful number, since it uses less digits than its factorization.

1311113132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105587 (or 1105585 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 1311113132212 its reverse (2122313111131), we get a palindrome (3433426243343).

The spelling of 1311113132212 in words is "one trillion, three hundred eleven billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred twelve".