212004403422 has 48 divisors (see below), whose sum is σ = 493313590800. Its totient is φ = 60563002752.

The previous prime is 212004403421. The next prime is 212004403451. The reversal of 212004403422 is 224304400212.

It is a junction number, because it is equal to n+sod(n) for n = 212004403392 and 212004403401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004403421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896954 + ... + 2005602.

It is an arithmetic number, because the mean of its divisors is an integer number (10277366475).

Almost surely, 2^212004403422 is an apocalyptic number.

212004403422 is an abundant number, since it is smaller than the sum of its proper divisors (281309187378).

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

212004403422 is a wasteful number, since it uses less digits than its factorization.

212004403422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115305 (or 115298 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212004403422 its reverse (224304400212), we get a palindrome (436308803634).

The spelling of 212004403422 in words is "two hundred twelve billion, four million, four hundred three thousand, four hundred twenty-two".