11212212032 has 28 divisors (see below), whose sum is σ = 25427696160. Its totient is φ = 4805233536.

The previous prime is 11212212023. The next prime is 11212212043. The reversal of 11212212032 is 23021221211.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11212212032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513182 + ... + 12514077.

Almost surely, 2^11212212032 is an apocalyptic number.

It is an amenable number.

11212212032 is an abundant number, since it is smaller than the sum of its proper divisors (14215484128).

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

11212212032 is an equidigital number, since it uses as much as digits as its factorization.

11212212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027278 (or 25027268 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11212212032 its reverse (23021221211), we get a palindrome (34233433243).

The spelling of 11212212032 in words is "eleven billion, two hundred twelve million, two hundred twelve thousand, thirty-two".