213421024032 has 48 divisors (see below), whose sum is σ = 569414305152. Its totient is φ = 69974104320.

The previous prime is 213421024007. The next prime is 213421024051. The reversal of 213421024032 is 230420124312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 213421023993 and 213421024011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18216568 + ... + 18228279.

It is an arithmetic number, because the mean of its divisors is an integer number (11862798024).

Almost surely, 2^213421024032 is an apocalyptic number.

It is an amenable number.

213421024032 is an abundant number, since it is smaller than the sum of its proper divisors (355993281120).

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

213421024032 is a wasteful number, since it uses less digits than its factorization.

213421024032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36444921 (or 36444913 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213421024032 its reverse (230420124312), we get a palindrome (443841148344).

The spelling of 213421024032 in words is "two hundred thirteen billion, four hundred twenty-one million, twenty-four thousand, thirty-two".