11212113132 has 54 divisors (see below), whose sum is σ = 31152492644. Its totient is φ = 3397608720.

The previous prime is 11212113109. The next prime is 11212113223. The reversal of 11212113132 is 23131121211.

It is a super-2 number, since 2×11212113132² (a number of 21 digits) contains 22 as substring.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1282618 + ... + 1291329.

Almost surely, 2^11212113132 is an apocalyptic number.

11212113132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212113132 is an abundant number, since it is smaller than the sum of its proper divisors (19940379512).

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

11212113132 is a wasteful number, since it uses less digits than its factorization.

11212113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573979 (or 2573963 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 11212113132 its reverse (23131121211), we get a palindrome (34343234343).

The spelling of 11212113132 in words is "eleven billion, two hundred twelve million, one hundred thirteen thousand, one hundred thirty-two".