32212201021 has 16 divisors (see below), whose sum is σ = 43249949568. Its totient is φ = 23169614400.

The previous prime is 32212200959. The next prime is 32212201051. The reversal of 32212201021 is 12010221223.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32212201021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32212200986 and 32212201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212201051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16089010 + ... + 16091011.

It is an arithmetic number, because the mean of its divisors is an integer number (2703121848).

Almost surely, 2^32212201021 is an apocalyptic number.

It is an amenable number.

32212201021 is a deficient number, since it is larger than the sum of its proper divisors (11037748547).

32212201021 is a wasteful number, since it uses less digits than its factorization.

32212201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32180052.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32212201021 its reverse (12010221223), we get a palindrome (44222422244).

The spelling of 32212201021 in words is "thirty-two billion, two hundred twelve million, two hundred one thousand, twenty-one".