212012200001020 has 48 divisors (see below), whose sum is σ = 445541077296000. Its totient is φ = 84744799810560.

The previous prime is 212012200000943. The next prime is 212012200001057. The reversal of 212012200001020 is 20100002210212.

It is a happy number.

It is a super-4 number, since 4×212012200001020⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511861405 + ... + 512275435.

It is an arithmetic number, because the mean of its divisors is an integer number (9282105777000).

Almost surely, 2^{212012200001020} is an apocalyptic number.

212012200001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012200001020 is an abundant number, since it is smaller than the sum of its proper divisors (233528877294980).

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

212012200001020 is a wasteful number, since it uses less digits than its factorization.

212012200001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432118 (or 432116 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212012200001020 its reverse (20100002210212), we get a palindrome (232112202211232).

The spelling of 212012200001020 in words is "two hundred twelve trillion, twelve billion, two hundred million, one thousand, twenty".