12320212122212 has 12 divisors (see below), whose sum is σ = 21560407056636. Its totient is φ = 6160095820320.

The previous prime is 12320212122209. The next prime is 12320212122263. The reversal of 12320212122212 is 21222121202321.

It can be written as a sum of positive squares in 2 ways, for example, as 12027134976256 + 293077145956 = 3468016^2 + 541366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572618 + ... + 4996830.

It is an arithmetic number, because the mean of its divisors is an integer number (1796700588053).

Almost surely, 2^{12320212122212} is an apocalyptic number.

It is an amenable number.

12320212122212 is a deficient number, since it is larger than the sum of its proper divisors (9240194934424).

12320212122212 is a wasteful number, since it uses less digits than its factorization.

12320212122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120398 (or 5120396 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12320212122212 its reverse (21222121202321), we get a palindrome (33542333324533).

The spelling of 12320212122212 in words is "twelve trillion, three hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".