212101320000020 has 48 divisors (see below), whose sum is σ = 507031139680128. Its totient is φ = 73774372172160.

The previous prime is 212101319999993. The next prime is 212101320000029. The reversal of 212101320000020 is 20000023101212.

It is a happy number.

212101320000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101320000029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20958623399 + ... + 20958633518.

It is an arithmetic number, because the mean of its divisors is an integer number (10563148743336).

Almost surely, 2^{212101320000020} is an apocalyptic number.

212101320000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101320000020 is an abundant number, since it is smaller than the sum of its proper divisors (294929819680108).

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

212101320000020 is a wasteful number, since it uses less digits than its factorization.

212101320000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41917256960 (or 41917256958 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212101320000020 its reverse (20000023101212), we get a palindrome (232101343101232).

The spelling of 212101320000020 in words is "two hundred twelve trillion, one hundred one billion, three hundred twenty million, twenty", and thus it is an aban number.