1311242365612 has 24 divisors (see below), whose sum is σ = 2346281100800. Its totient is φ = 641037483216.

The previous prime is 1311242365607. The next prime is 1311242365619. The reversal of 1311242365612 is 2165632421131.

It is not an unprimeable number, because it can be changed into a prime (1311242365619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20110662 + ... + 20175757.

Almost surely, 2^{1311242365612} is an apocalyptic number.

It is an amenable number.

1311242365612 is a deficient number, since it is larger than the sum of its proper divisors (1035038735188).

1311242365612 is a wasteful number, since it uses less digits than its factorization.

1311242365612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40286605 (or 40286603 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

Adding to 1311242365612 its reverse (2165632421131), we get a palindrome (3476874786743).

The spelling of 1311242365612 in words is "one trillion, three hundred eleven billion, two hundred forty-two million, three hundred sixty-five thousand, six hundred twelve".