11212723200 has 264 divisors, whose sum is σ = 42354755392. Its totient is φ = 2562785280.

The previous prime is 11212723153. The next prime is 11212723211. The reversal of 11212723200 is 232721211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527172 + ... + 548028.

Almost surely, 2^11212723200 is an apocalyptic number.

11212723200 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 11212723200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21177377696).

11212723200 is an abundant number, since it is smaller than the sum of its proper divisors (31142032192).

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

11212723200 is a wasteful number, since it uses less digits than its factorization.

11212723200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897 (or 20874 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 11212723200 in words is "eleven billion, two hundred twelve million, seven hundred twenty-three thousand, two hundred".