1311132212 has 24 divisors (see below), whose sum is σ = 2476185600. Its totient is φ = 603863136.

The previous prime is 1311132211. The next prime is 1311132239. The reversal of 1311132212 is 2122311131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 51227.

It is an arithmetic number, because the mean of its divisors is an integer number (103174400).

Almost surely, 2^1311132212 is an apocalyptic number.

It is an amenable number.

1311132212 is a deficient number, since it is larger than the sum of its proper divisors (1165053388).

1311132212 is a wasteful number, since it uses less digits than its factorization.

1311132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53135 (or 53133 counting only the distinct ones).

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

The square root of 1311132212 is about 36209.5596769693. The cubic root of 1311132212 is about 1094.4993192073.

Adding to 1311132212 its reverse (2122311131), we get a palindrome (3433443343).

The spelling of 1311132212 in words is "one billion, three hundred eleven million, one hundred thirty-two thousand, two hundred twelve".