32121471760 has 120 divisors (see below), whose sum is σ = 87061927680. Its totient is φ = 10989441792.

The previous prime is 32121471751. The next prime is 32121471761. The reversal of 32121471760 is 6717412123.

It is not an unprimeable number, because it can be changed into a prime (32121471761) 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 23 ways as a sum of consecutive naturals, for example, 1869127 + ... + 1886233.

It is an arithmetic number, because the mean of its divisors is an integer number (725516064).

Almost surely, 2^32121471760 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 32121471760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43530963840).

32121471760 is an abundant number, since it is smaller than the sum of its proper divisors (54940455920).

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

32121471760 is a wasteful number, since it uses less digits than its factorization.

32121471760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17613 (or 17600 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 32121471760 its reverse (6717412123), we get a palindrome (38838883883).

The spelling of 32121471760 in words is "thirty-two billion, one hundred twenty-one million, four hundred seventy-one thousand, seven hundred sixty".