212010001200 has 180 divisors, whose sum is σ = 736780171920. Its totient is φ = 56455580160.

The previous prime is 212010001187. The next prime is 212010001219. The reversal of 212010001200 is 2100010212.

212010001200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2510869 + ... + 2593931.

Almost surely, 2^212010001200 is an apocalyptic number.

212010001200 is a gapful number since it is divisible by the number (20) 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 212010001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368390085960).

212010001200 is an abundant number, since it is smaller than the sum of its proper divisors (524770170720).

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

212010001200 is a wasteful number, since it uses less digits than its factorization.

212010001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83796 (or 83782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212010001200 its reverse (2100010212), we get a palindrome (214110011412).

The spelling of 212010001200 in words is "two hundred twelve billion, ten million, one thousand, two hundred".