12211246634 has 8 divisors (see below), whose sum is σ = 18317393568. Its totient is φ = 6105448780.

The previous prime is 12211246627. The next prime is 12211246639. The reversal of 12211246634 is 43664211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211246634² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211246634.

It is not an unprimeable number, because it can be changed into a prime (12211246639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33749 + ... + 159879.

It is an arithmetic number, because the mean of its divisors is an integer number (2289674196).

Almost surely, 2^12211246634 is an apocalyptic number.

12211246634 is a deficient number, since it is larger than the sum of its proper divisors (6106146934).

12211246634 is a wasteful number, since it uses less digits than its factorization.

12211246634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174540.

The product of its digits is 13824, while the sum is 32.

Adding to 12211246634 its reverse (43664211221), we get a palindrome (55875457855).

The spelling of 12211246634 in words is "twelve billion, two hundred eleven million, two hundred forty-six thousand, six hundred thirty-four".