32401243212 has 96 divisors (see below), whose sum is σ = 85564292352. Its totient is φ = 9474506496.

The previous prime is 32401243207. The next prime is 32401243241. The reversal of 32401243212 is 21234210423.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182923 + ... + 313469.

It is an arithmetic number, because the mean of its divisors is an integer number (891294712).

Almost surely, 2^32401243212 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 32401243212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42782146176).

32401243212 is an abundant number, since it is smaller than the sum of its proper divisors (53163049140).

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

32401243212 is a wasteful number, since it uses less digits than its factorization.

32401243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130647 (or 130645 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32401243212 its reverse (21234210423), we get a palindrome (53635453635).

The spelling of 32401243212 in words is "thirty-two billion, four hundred one million, two hundred forty-three thousand, two hundred twelve".