212021111200200 has 96 divisors (see below), whose sum is σ = 695928117972960. Its totient is φ = 53213141632000.

The previous prime is 212021111200189. The next prime is 212021111200211. The reversal of 212021111200200 is 2002111120212.

It is an interprime number because it is at equal distance from previous prime (212021111200189) and next prime (212021111200211).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212021111200200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10393181526 + ... + 10393201925.

It is an arithmetic number, because the mean of its divisors is an integer number (7249251228885).

Almost surely, 2^{212021111200200} is an apocalyptic number.

212021111200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021111200200 is an abundant number, since it is smaller than the sum of its proper divisors (483907006772760).

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

212021111200200 is a wasteful number, since it uses less digits than its factorization.

212021111200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786383487 (or 20786383478 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212021111200200 its reverse (2002111120212), we get a palindrome (214023222320412).

The spelling of 212021111200200 in words is "two hundred twelve trillion, twenty-one billion, one hundred eleven million, two hundred thousand, two hundred".