12211041652256 has 24 divisors (see below), whose sum is σ = 24040679382720. Its totient is φ = 6105472285248.

The previous prime is 12211041652253. The next prime is 12211041652297. The reversal of 12211041652256 is 65225614011221.

It is not an unprimeable number, because it can be changed into a prime (12211041652253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756165 + ... + 5658491.

It is an arithmetic number, because the mean of its divisors is an integer number (1001694974280).

Almost surely, 2^{12211041652256} is an apocalyptic number.

12211041652256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12211041652256 is a deficient number, since it is larger than the sum of its proper divisors (11829637730464).

12211041652256 is a wasteful number, since it uses less digits than its factorization.

12211041652256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033816 (or 3033808 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

Adding to 12211041652256 its reverse (65225614011221), we get a palindrome (77436655663477).

The spelling of 12211041652256 in words is "twelve trillion, two hundred eleven billion, forty-one million, six hundred fifty-two thousand, two hundred fifty-six".