212102001200 has 60 divisors (see below), whose sum is σ = 510821356680. Its totient is φ = 84633300480.

The previous prime is 212102001187. The next prime is 212102001227. The reversal of 212102001200 is 2100201212.

It is a happy 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, 484634 + ... + 811833.

It is an arithmetic number, because the mean of its divisors is an integer number (8513689278).

Almost surely, 2^212102001200 is an apocalyptic number.

212102001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102001200 is an abundant number, since it is smaller than the sum of its proper divisors (298719355480).

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

212102001200 is a wasteful number, since it uses less digits than its factorization.

212102001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296894 (or 1296883 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212102001200 its reverse (2100201212), we get a palindrome (214202202412).

The spelling of 212102001200 in words is "two hundred twelve billion, one hundred two million, one thousand, two hundred".