12212112813246 has 24 divisors (see below), whose sum is σ = 26649934442040. Its totient is φ = 4041418628016.

The previous prime is 12212112813227. The next prime is 12212112813247. The reversal of 12212112813246 is 64231821121221.

12212112813246 is a `hidden beast` number, since 1 + 2 + 212 + 112 + 8 + 1 + 324 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12212112813246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212112813247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2440467685 + ... + 2440472688.

It is an arithmetic number, because the mean of its divisors is an integer number (1110413935085).

Almost surely, 2^{12212112813246} is an apocalyptic number.

12212112813246 is an abundant number, since it is smaller than the sum of its proper divisors (14437821628794).

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

12212112813246 is a wasteful number, since it uses less digits than its factorization.

12212112813246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880940520 (or 4880940517 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

Adding to 12212112813246 its reverse (64231821121221), we get a palindrome (76443933934467).

The spelling of 12212112813246 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, eight hundred thirteen thousand, two hundred forty-six".