12211126464 has 56 divisors (see below), whose sum is σ = 32324862960. Its totient is φ = 4068327424.

The previous prime is 12211126457. The next prime is 12211126493. The reversal of 12211126464 is 46462111221.

It is a super-2 number, since 2×12211126464² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393832 + ... + 423704.

Almost surely, 2^12211126464 is an apocalyptic number.

It is an amenable number.

12211126464 is an abundant number, since it is smaller than the sum of its proper divisors (20113736496).

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

12211126464 is a wasteful number, since it uses less digits than its factorization.

12211126464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32017 (or 32007 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

Adding to 12211126464 its reverse (46462111221), we get a palindrome (58673237685).

The spelling of 12211126464 in words is "twelve billion, two hundred eleven million, one hundred twenty-six thousand, four hundred sixty-four".