11212012132 has 24 divisors (see below), whose sum is σ = 20333779200. Its totient is φ = 5403050016.

The previous prime is 11212012117. The next prime is 11212012139. The reversal of 11212012132 is 23121021211.

It is not an unprimeable number, because it can be changed into a prime (11212012139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20532 + ... + 151147.

It is an arithmetic number, because the mean of its divisors is an integer number (847240800).

Almost surely, 2^11212012132 is an apocalyptic number.

It is an amenable number.

11212012132 is a deficient number, since it is larger than the sum of its proper divisors (9121767068).

11212012132 is a wasteful number, since it uses less digits than its factorization.

11212012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172275 (or 172273 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11212012132 its reverse (23121021211), we get a palindrome (34333033343).

The spelling of 11212012132 in words is "eleven billion, two hundred twelve million, twelve thousand, one hundred thirty-two".