1311012241312 has 48 divisors (see below), whose sum is σ = 2736781479432. Its totient is φ = 616066662400.

The previous prime is 1311012241307. The next prime is 1311012241351. The reversal of 1311012241312 is 2131422101131.

It can be written as a sum of positive squares in 4 ways, for example, as 1293778853136 + 17233388176 = 1137444^2 + 131276^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337593 + ... + 2100280.

Almost surely, 2^{1311012241312} is an apocalyptic number.

It is an amenable number.

1311012241312 is an abundant number, since it is smaller than the sum of its proper divisors (1425769238120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311012241312 is a wasteful number, since it uses less digits than its factorization.

1311012241312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438601 (or 3438593 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1311012241312 its reverse (2131422101131), we get a palindrome (3442434342443).

The spelling of 1311012241312 in words is "one trillion, three hundred eleven billion, twelve million, two hundred forty-one thousand, three hundred twelve".