12212112813464 has 32 divisors (see below), whose sum is σ = 24104944710000. Its totient is φ = 5784183303552.

The previous prime is 12212112813463. The next prime is 12212112813503. The reversal of 12212112813464 is 46431821121221.

It is a super-2 number, since 2×12212112813464² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212112813463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722899 + ... + 5233794.

Almost surely, 2^{12212112813464} is an apocalyptic number.

It is an amenable number.

12212112813464 is a deficient number, since it is larger than the sum of its proper divisors (11892831896536).

12212112813464 is a wasteful number, since it uses less digits than its factorization.

12212112813464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968267 (or 6968263 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

Adding to 12212112813464 its reverse (46431821121221), we get a palindrome (58643933934685).

The spelling of 12212112813464 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, eight hundred thirteen thousand, four hundred sixty-four".