325421221152 has 48 divisors (see below), whose sum is σ = 854260918560. Its totient is φ = 108469903872.

The previous prime is 325421221127. The next prime is 325421221163. The reversal of 325421221152 is 251122124523.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347499 + ... + 4421717.

It is an arithmetic number, because the mean of its divisors is an integer number (17797102470).

Almost surely, 2^325421221152 is an apocalyptic number.

325421221152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

325421221152 is an abundant number, since it is smaller than the sum of its proper divisors (528839697408).

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

325421221152 is a wasteful number, since it uses less digits than its factorization.

325421221152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119905 (or 119897 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 325421221152 its reverse (251122124523), we get a palindrome (576543345675).

The spelling of 325421221152 in words is "three hundred twenty-five billion, four hundred twenty-one million, two hundred twenty-one thousand, one hundred fifty-two".