441132121220 has 96 divisors (see below), whose sum is σ = 1085327029248. Its totient is φ = 147456796032.

The previous prime is 441132121217. The next prime is 441132121223. The reversal of 441132121220 is 22121231144.

It is an interprime number because it is at equal distance from previous prime (441132121217) and next prime (441132121223).

It is not an unprimeable number, because it can be changed into a prime (441132121223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3225959 + ... + 3359921.

It is an arithmetic number, because the mean of its divisors is an integer number (11305489888).

Almost surely, 2^441132121220 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 441132121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542663514624).

441132121220 is an abundant number, since it is smaller than the sum of its proper divisors (644194908028).

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

441132121220 is a wasteful number, since it uses less digits than its factorization.

441132121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134569 (or 134567 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 441132121220 its reverse (22121231144), we get a palindrome (463253352364).

The spelling of 441132121220 in words is "four hundred forty-one billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty".