1121312200000 has 84 divisors (see below), whose sum is σ = 2781202358844. Its totient is φ = 448524800000.

The previous prime is 1121312199977. The next prime is 1121312200031. The reversal of 1121312200000 is 22131211.

It can be written as a sum of positive squares in 6 ways, for example, as 676433871936 + 444878328064 = 822456^2 + 666992^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2603281 + ... + 3003280.

It is an arithmetic number, because the mean of its divisors is an integer number (33109551891).

Almost surely, 2^{1121312200000} is an apocalyptic number.

1121312200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121312200000 is an abundant number, since it is smaller than the sum of its proper divisors (1659890158844).

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

1121312200000 is an frugal number, since it uses more digits than its factorization.

1121312200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606598 (or 5606568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1121312200000 its reverse (22131211), we get a palindrome (1121334331211).

The spelling of 1121312200000 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred thousand".