11217336812 has 48 divisors (see below), whose sum is σ = 22656775680. Its totient is φ = 4805841600.

The previous prime is 11217336811. The next prime is 11217336883. The reversal of 11217336812 is 21863371211.

It is not an unprimeable number, because it can be changed into a prime (11217336811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130637 + ... + 198747.

It is an arithmetic number, because the mean of its divisors is an integer number (472016160).

Almost surely, 2^11217336812 is an apocalyptic number.

It is an amenable number.

11217336812 is an abundant number, since it is smaller than the sum of its proper divisors (11439438868).

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

11217336812 is a wasteful number, since it uses less digits than its factorization.

11217336812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68342 (or 68340 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The spelling of 11217336812 in words is "eleven billion, two hundred seventeen million, three hundred thirty-six thousand, eight hundred twelve".