212000421420 has 96 divisors (see below), whose sum is σ = 659809382400. Its totient is φ = 56511801792.

The previous prime is 212000421419. The next prime is 212000421431. The reversal of 212000421420 is 24124000212.

212000421420 is a `hidden beast` number, since 2 + 1 + 200 + 0 + 42 + 1 + 420 = 666.

212000421420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212000421393 and 212000421402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1362037 + ... + 1509683.

It is an arithmetic number, because the mean of its divisors is an integer number (6873014400).

Almost surely, 2^212000421420 is an apocalyptic number.

212000421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000421420 is an abundant number, since it is smaller than the sum of its proper divisors (447808960980).

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

212000421420 is a wasteful number, since it uses less digits than its factorization.

212000421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150324 (or 150316 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212000421420 its reverse (24124000212), we get a palindrome (236124421632).

The spelling of 212000421420 in words is "two hundred twelve billion, four hundred twenty-one thousand, four hundred twenty".