1121321122312 has 16 divisors (see below), whose sum is σ = 2102591441340. Its totient is φ = 560630071296.

The previous prime is 1121321122297. The next prime is 1121321122321. The reversal of 1121321122312 is 2132211231211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1089781493476 + 31539628836 = 1043926^2 + 177594^2 .

It is a super-2 number, since 2×1121321122312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3654553 + ... + 3949480.

Almost surely, 2^{1121321122312} is an apocalyptic number.

It is an amenable number.

1121321122312 is a deficient number, since it is larger than the sum of its proper divisors (981270319028).

1121321122312 is a wasteful number, since it uses less digits than its factorization.

1121321122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622472 (or 7622468 counting only the distinct ones).

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

Adding to 1121321122312 its reverse (2132211231211), we get a palindrome (3253532353523).

The spelling of 1121321122312 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, one hundred twenty-two thousand, three hundred twelve".