32220232312 has 8 divisors (see below), whose sum is σ = 60412935600. Its totient is φ = 16110116152.

The previous prime is 32220232309. The next prime is 32220232321. The reversal of 32220232312 is 21323202223.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013764512 + ... + 2013764527.

It is an arithmetic number, because the mean of its divisors is an integer number (7551616950).

Almost surely, 2^32220232312 is an apocalyptic number.

It is an amenable number.

32220232312 is a deficient number, since it is larger than the sum of its proper divisors (28192703288).

32220232312 is a wasteful number, since it uses less digits than its factorization.

32220232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027529045 (or 4027529041 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32220232312 its reverse (21323202223), we get a palindrome (53543434535).

The spelling of 32220232312 in words is "thirty-two billion, two hundred twenty million, two hundred thirty-two thousand, three hundred twelve".