201212122010200 has 48 divisors (see below), whose sum is σ = 534649352773680. Its totient is φ = 68987013260160.

The previous prime is 201212122010089. The next prime is 201212122010201. The reversal of 201212122010200 is 2010221212102.

It is a happy number.

It is a super-2 number, since 2×201212122010200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212122010201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 71861470747 + ... + 71861473546.

It is an arithmetic number, because the mean of its divisors is an integer number (11138528182785).

Almost surely, 2^{201212122010200} is an apocalyptic number.

201212122010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212122010200 is an abundant number, since it is smaller than the sum of its proper divisors (333437230763480).

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

201212122010200 is a wasteful number, since it uses less digits than its factorization.

201212122010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143722944316 (or 143722944307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201212122010200 its reverse (2010221212102), we get a palindrome (203222343222302).

The spelling of 201212122010200 in words is "two hundred one trillion, two hundred twelve billion, one hundred twenty-two million, ten thousand, two hundred".