1121230212300 has 252 divisors, whose sum is σ = 3979568921496. Its totient is φ = 271813190400.

The previous prime is 1121230212299. The next prime is 1121230212353. The reversal of 1121230212300 is 32120321211.

1121230212300 is a `hidden beast` number, since 1 + 121 + 2 + 30 + 212 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 83 ways as a sum of consecutive naturals, for example, 102792 + ... + 1501008.

Almost surely, 2^{1121230212300} is an apocalyptic number.

1121230212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121230212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989784460748).

1121230212300 is an abundant number, since it is smaller than the sum of its proper divisors (2858338709196).

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

1121230212300 is a wasteful number, since it uses less digits than its factorization.

1121230212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398260 (or 1398238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1121230212300 its reverse (32120321211), we get a palindrome (1153350533511).

The spelling of 1121230212300 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, two hundred twelve thousand, three hundred".