12210332212 has 48 divisors (see below), whose sum is σ = 24472218960. Its totient is φ = 5280786432.

The previous prime is 12210332209. The next prime is 12210332227. The reversal of 12210332212 is 21223301221.

It can be written as a sum of positive squares in 8 ways, for example, as 227527056 + 11982805156 = 15084^2 + 109466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12210332212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172278 + ... + 232594.

It is an arithmetic number, because the mean of its divisors is an integer number (509837895).

Almost surely, 2^12210332212 is an apocalyptic number.

It is an amenable number.

12210332212 is an abundant number, since it is smaller than the sum of its proper divisors (12261886748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210332212 is a wasteful number, since it uses less digits than its factorization.

12210332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60580 (or 60578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12210332212 its reverse (21223301221), we get a palindrome (33433633433).

The spelling of 12210332212 in words is "twelve billion, two hundred ten million, three hundred thirty-two thousand, two hundred twelve".