211212011200 has 84 divisors (see below), whose sum is σ = 537634830240. Its totient is φ = 81571517440.

The previous prime is 211212011117. The next prime is 211212011203. The reversal of 211212011200 is 2110212112.

It is a super-2 number, since 2×211212011200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212011203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2229592 + ... + 2322391.

Almost surely, 2^211212011200 is an apocalyptic number.

211212011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211212011200 is an abundant number, since it is smaller than the sum of its proper divisors (326422819040).

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

211212011200 is a wasteful number, since it uses less digits than its factorization.

211212011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552034 (or 4552019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211212011200 its reverse (2110212112), we get a palindrome (213322223312).

The spelling of 211212011200 in words is "two hundred eleven billion, two hundred twelve million, eleven thousand, two hundred".