11212013304 has 32 divisors (see below), whose sum is σ = 31144482000. Its totient is φ = 3737337696.

The previous prime is 11212013291. The next prime is 11212013339. The reversal of 11212013304 is 40331021211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25953519 + ... + 25953950.

Almost surely, 2^11212013304 is an apocalyptic number.

It is an amenable number.

11212013304 is an abundant number, since it is smaller than the sum of its proper divisors (19932468696).

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

11212013304 is a wasteful number, since it uses less digits than its factorization.

11212013304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51907484 (or 51907474 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11212013304 its reverse (40331021211), we get a palindrome (51543034515).

The spelling of 11212013304 in words is "eleven billion, two hundred twelve million, thirteen thousand, three hundred four".