1311300311212 has 12 divisors (see below), whose sum is σ = 2329025926360. Its totient is φ = 645864332256.

The previous prime is 1311300311203. The next prime is 1311300311213. The reversal of 1311300311212 is 2121130031131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311300311212.

It is not an unprimeable number, because it can be changed into a prime (1311300311213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446455537 + ... + 2446456072.

Almost surely, 2^{1311300311212} is an apocalyptic number.

It is an amenable number.

1311300311212 is a deficient number, since it is larger than the sum of its proper divisors (1017725615148).

1311300311212 is a wasteful number, since it uses less digits than its factorization.

1311300311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892911680 (or 4892911678 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311300311212 its reverse (2121130031131), we get a palindrome (3432430342343).

The spelling of 1311300311212 in words is "one trillion, three hundred eleven billion, three hundred million, three hundred eleven thousand, two hundred twelve".