11212201200 has 60 divisors (see below), whose sum is σ = 35916421688. Its totient is φ = 2989920000.

The previous prime is 11212201141. The next prime is 11212201211. The reversal of 11212201200 is 210221211.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4670551 + ... + 4672950.

Almost surely, 2^11212201200 is an apocalyptic number.

11212201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212201200 is an abundant number, since it is smaller than the sum of its proper divisors (24704220488).

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

11212201200 is a wasteful number, since it uses less digits than its factorization.

11212201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343522 (or 9343511 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11212201200 its reverse (210221211), we get a palindrome (11422422411).

The spelling of 11212201200 in words is "eleven billion, two hundred twelve million, two hundred one thousand, two hundred".