32121828372 has 96 divisors (see below), whose sum is σ = 82226479104. Its totient is φ = 9715852800.

The previous prime is 32121828367. The next prime is 32121828373. The reversal of 32121828372 is 27382812123.

It is a self number, because there is not a number n which added to its sum of digits gives 32121828372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121828373) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1704433 + ... + 1723175.

It is an arithmetic number, because the mean of its divisors is an integer number (856525824).

Almost surely, 2^32121828372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121828372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41113239552).

32121828372 is an abundant number, since it is smaller than the sum of its proper divisors (50104650732).

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

32121828372 is a wasteful number, since it uses less digits than its factorization.

32121828372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069 (or 19067 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The spelling of 32121828372 in words is "thirty-two billion, one hundred twenty-one million, eight hundred twenty-eight thousand, three hundred seventy-two".