1112121200000 has 96 divisors (see below), whose sum is σ = 2769266193120. Its totient is φ = 444848320000.

The previous prime is 1112121199957. The next prime is 1112121200017. The reversal of 1112121200000 is 21212111.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 990152 + ... + 1790151.

It is an arithmetic number, because the mean of its divisors is an integer number (28846522845).

Almost surely, 2^{1112121200000} is an apocalyptic number.

1112121200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112121200000 is an abundant number, since it is smaller than the sum of its proper divisors (1657144993120).

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

1112121200000 is an frugal number, since it uses more digits than its factorization.

1112121200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780342 (or 2780310 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112121200000 its reverse (21212111), we get a palindrome (1112142412111).

The spelling of 1112121200000 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand".