32215212215 has 12 divisors (see below), whose sum is σ = 40799988504. Its totient is φ = 24415738416.

The previous prime is 32215212199. The next prime is 32215212217. The reversal of 32215212215 is 51221251223.

It is a happy number.

It is not a de Polignac number, because 32215212215 - 2⁴ = 32215212199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32215212217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8922077 + ... + 8925686.

It is an arithmetic number, because the mean of its divisors is an integer number (3399999042).

Almost surely, 2^32215212215 is an apocalyptic number.

32215212215 is a deficient number, since it is larger than the sum of its proper divisors (8584776289).

32215212215 is a wasteful number, since it uses less digits than its factorization.

32215212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17847806 (or 17847787 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

Adding to 32215212215 its reverse (51221251223), we get a palindrome (83436463438).

The spelling of 32215212215 in words is "thirty-two billion, two hundred fifteen million, two hundred twelve thousand, two hundred fifteen".