5421231012 has 96 divisors (see below), whose sum is σ = 13517884800. Its totient is φ = 1686085632.

The previous prime is 5421231001. The next prime is 5421231017. The reversal of 5421231012 is 2101321245.

It is a self number, because there is not a number n which added to its sum of digits gives 5421231012.

It is not an unprimeable number, because it can be changed into a prime (5421231017) 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, 8786128 + ... + 8786744.

It is an arithmetic number, because the mean of its divisors is an integer number (140811300).

Almost surely, 2^5421231012 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 5421231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6758942400).

5421231012 is an abundant number, since it is smaller than the sum of its proper divisors (8096653788).

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

5421231012 is a wasteful number, since it uses less digits than its factorization.

5421231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5421231012 is about 73629.0093101897. The cubic root of 5421231012 is about 1756.7068901050.

Adding to 5421231012 its reverse (2101321245), we get a palindrome (7522552257).

The spelling of 5421231012 in words is "five billion, four hundred twenty-one million, two hundred thirty-one thousand, twelve".