212231010112420 has 192 divisors, whose sum is σ = 487474035793920. Its totient is φ = 77146443988992.

The previous prime is 212231010112393. The next prime is 212231010112453. The reversal of 212231010112420 is 24211010132212.

212231010112420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212231010112391 and 212231010112400.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3660830554 + ... + 3660888526.

It is an arithmetic number, because the mean of its divisors is an integer number (2538927269760).

Almost surely, 2^{212231010112420} is an apocalyptic number.

212231010112420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212231010112420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243737017896960).

212231010112420 is an abundant number, since it is smaller than the sum of its proper divisors (275243025681500).

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

212231010112420 is a wasteful number, since it uses less digits than its factorization.

212231010112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58854 (or 58852 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 212231010112420 its reverse (24211010132212), we get a palindrome (236442020244632).

The spelling of 212231010112420 in words is "two hundred twelve trillion, two hundred thirty-one billion, ten million, one hundred twelve thousand, four hundred twenty".