1331242033312 has 12 divisors (see below), whose sum is σ = 2620882753146. Its totient is φ = 665621016640.

The previous prime is 1331242033243. The next prime is 1331242033321. The reversal of 1331242033312 is 2133302421331.

It can be written as a sum of positive squares in only one way, i.e., 1212192192016 + 119049841296 = 1100996^2 + 345036^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20800656739 + ... + 20800656802.

Almost surely, 2^{1331242033312} is an apocalyptic number.

It is an amenable number.

1331242033312 is a deficient number, since it is larger than the sum of its proper divisors (1289640719834).

1331242033312 is an equidigital number, since it uses as much as digits as its factorization.

1331242033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41601313551 (or 41601313543 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1331242033312 its reverse (2133302421331), we get a palindrome (3464544454643).

The spelling of 1331242033312 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, thirty-three thousand, three hundred twelve".