32212220212 has 24 divisors (see below), whose sum is σ = 56491285032. Its totient is φ = 16071888000.

The previous prime is 32212220203. The next prime is 32212220213. The reversal of 32212220212 is 21202221223.

It can be written as a sum of positive squares in 4 ways, for example, as 529644196 + 31682576016 = 23014^2 + 177996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32212220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215158 + ... + 5221330.

It is an arithmetic number, because the mean of its divisors is an integer number (2353803543).

Almost surely, 2^32212220212 is an apocalyptic number.

It is an amenable number.

32212220212 is a deficient number, since it is larger than the sum of its proper divisors (24279064820).

32212220212 is a wasteful number, since it uses less digits than its factorization.

32212220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739 (or 8737 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 32212220212 its reverse (21202221223), we get a palindrome (53414441435).

The spelling of 32212220212 in words is "thirty-two billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".