32012332221 has 4 divisors (see below), whose sum is σ = 42683109632. Its totient is φ = 21341554812.

The previous prime is 32012332217. The next prime is 32012332237. The reversal of 32012332221 is 12223321023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32012332221 - 2² = 32012332217 is a prime.

It is a super-3 number, since 3×32012332221³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012332271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335388701 + ... + 5335388706.

It is an arithmetic number, because the mean of its divisors is an integer number (10670777408).

Almost surely, 2^32012332221 is an apocalyptic number.

It is an amenable number.

32012332221 is a deficient number, since it is larger than the sum of its proper divisors (10670777411).

32012332221 is a wasteful number, since it uses less digits than its factorization.

32012332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670777410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32012332221 its reverse (12223321023), we get a palindrome (44235653244).

The spelling of 32012332221 in words is "thirty-two billion, twelve million, three hundred thirty-two thousand, two hundred twenty-one".