1100212331200 has 42 divisors (see below), whose sum is σ = 2707209971396. Its totient is φ = 440084931840.

The previous prime is 1100212331171. The next prime is 1100212331203. The reversal of 1100212331200 is 21332120011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1100212331203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343814754 + ... + 343817953.

Almost surely, 2^{1100212331200} is an apocalyptic number.

1100212331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100212331200 is an abundant number, since it is smaller than the sum of its proper divisors (1606997640196).

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

1100212331200 is an equidigital number, since it uses as much as digits as its factorization.

1100212331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687632729 (or 687632714 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100212331200 its reverse (21332120011), we get a palindrome (1121544451211).

The spelling of 1100212331200 in words is "one trillion, one hundred billion, two hundred twelve million, three hundred thirty-one thousand, two hundred".