1121000321012 has 48 divisors (see below), whose sum is σ = 2332481683392. Its totient is φ = 464682900480.

The previous prime is 1121000321011. The next prime is 1121000321017. The reversal of 1121000321012 is 2101230001211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11758493 + ... + 11853444.

It is an arithmetic number, because the mean of its divisors is an integer number (48593368404).

Almost surely, 2^{1121000321012} is an apocalyptic number.

It is an amenable number.

1121000321012 is an abundant number, since it is smaller than the sum of its proper divisors (1211481362380).

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

1121000321012 is a wasteful number, since it uses less digits than its factorization.

1121000321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23612048 (or 23612046 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121000321012 its reverse (2101230001211), we get a palindrome (3222230322223).

The spelling of 1121000321012 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one thousand, twelve".