1121331112312 has 8 divisors (see below), whose sum is σ = 2102495835600. Its totient is φ = 560665556152.

The previous prime is 1121331112277. The next prime is 1121331112313. The reversal of 1121331112312 is 2132111331211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121331112313) 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 as a sum of consecutive naturals, namely, 70083194512 + ... + 70083194527.

It is an arithmetic number, because the mean of its divisors is an integer number (262811979450).

Almost surely, 2^{1121331112312} is an apocalyptic number.

It is an amenable number.

1121331112312 is a deficient number, since it is larger than the sum of its proper divisors (981164723288).

1121331112312 is a wasteful number, since it uses less digits than its factorization.

1121331112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140166389045 (or 140166389041 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 1121331112312 its reverse (2132111331211), we get a palindrome (3253442443523).

The spelling of 1121331112312 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-one million, one hundred twelve thousand, three hundred twelve".