32212231213 has 4 divisors (see below), whose sum is σ = 32507756380. Its totient is φ = 31916706048.

The previous prime is 32212231211. The next prime is 32212231217. The reversal of 32212231213 is 31213221223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16517904484 + 15694326729 = 128522^2 + 125277^2 .

It is a cyclic number.

It is not a de Polignac number, because 32212231213 - 2¹ = 32212231211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212231211) 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, 147762420 + ... + 147762637.

It is an arithmetic number, because the mean of its divisors is an integer number (8126939095).

Almost surely, 2^32212231213 is an apocalyptic number.

It is an amenable number.

32212231213 is a deficient number, since it is larger than the sum of its proper divisors (295525167).

32212231213 is a wasteful number, since it uses less digits than its factorization.

32212231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295525166.

The product of its digits is 864, while the sum is 22.

Adding to 32212231213 its reverse (31213221223), we get a palindrome (63425452436).

The spelling of 32212231213 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirteen".