212101011010120 has 64 divisors (see below), whose sum is σ = 482879584512000. Its totient is φ = 83836695833088.

The previous prime is 212101011010081. The next prime is 212101011010121. The reversal of 212101011010120 is 21010110101212.

It is a happy number.

212101011010120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212101011010120.

It is not an unprimeable number, because it can be changed into a prime (212101011010121) 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, 11992810 + ... + 23833369.

It is an arithmetic number, because the mean of its divisors is an integer number (7544993508000).

Almost surely, 2^{212101011010120} is an apocalyptic number.

212101011010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101011010120 is an abundant number, since it is smaller than the sum of its proper divisors (270778573501880).

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

212101011010120 is a wasteful number, since it uses less digits than its factorization.

212101011010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35827942 (or 35827938 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212101011010120 its reverse (21010110101212), we get a palindrome (233111121111332).

The spelling of 212101011010120 in words is "two hundred twelve trillion, one hundred one billion, eleven million, ten thousand, one hundred twenty".