212000220210021 has 8 divisors (see below), whose sum is σ = 282954515686080. Its totient is φ = 141189702436992.

The previous prime is 212000220210019. The next prime is 212000220210047. The reversal of 212000220210021 is 120012022000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212000220210021 - 2¹ = 212000220210019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000220214021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35944422316 + ... + 35944428213.

It is an arithmetic number, because the mean of its divisors is an integer number (35369314460760).

Almost surely, 2^{212000220210021} is an apocalyptic number.

It is an amenable number.

212000220210021 is a deficient number, since it is larger than the sum of its proper divisors (70954295476059).

212000220210021 is an equidigital number, since it uses as much as digits as its factorization.

212000220210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71888851515.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212000220210021 its reverse (120012022000212), we get a palindrome (332012242210233).

The spelling of 212000220210021 in words is "two hundred twelve trillion, two hundred twenty million, two hundred ten thousand, twenty-one".