212020021021000 has 64 divisors (see below), whose sum is σ = 496898432110080. Its totient is φ = 84676113892800.

The previous prime is 212020021020949. The next prime is 212020021021007. The reversal of 212020021021000 is 120120020212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212020021021007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164224824 + ... + 165510823.

It is an arithmetic number, because the mean of its divisors is an integer number (7764038001720).

Almost surely, 2^{212020021021000} is an apocalyptic number.

212020021021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020021021000 is an abundant number, since it is smaller than the sum of its proper divisors (284878411089080).

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

212020021021000 is a wasteful number, since it uses less digits than its factorization.

212020021021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329736311 (or 329736297 counting only the distinct ones).

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

Adding to 212020021021000 its reverse (120120020212), we get a palindrome (212140141041212).

The spelling of 212020021021000 in words is "two hundred twelve trillion, twenty billion, twenty-one million, twenty-one thousand".