11664232212 has 48 divisors (see below), whose sum is σ = 27493240320. Its totient is φ = 3848608992.

The previous prime is 11664232207. The next prime is 11664232243. The reversal of 11664232212 is 21223246611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11664232212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998843 + ... + 2004669.

It is an arithmetic number, because the mean of its divisors is an integer number (572775840).

Almost surely, 2^11664232212 is an apocalyptic number.

11664232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11664232212 is an abundant number, since it is smaller than the sum of its proper divisors (15829008108).

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

11664232212 is a wasteful number, since it uses less digits than its factorization.

11664232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500 (or 7498 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 11664232212 its reverse (21223246611), we get a palindrome (32887478823).

The spelling of 11664232212 in words is "eleven billion, six hundred sixty-four million, two hundred thirty-two thousand, two hundred twelve".