11212032112 has 20 divisors (see below), whose sum is σ = 21766006440. Its totient is φ = 5594998208.

The previous prime is 11212032109. The next prime is 11212032127. The reversal of 11212032112 is 21123021211.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 680218 + ... + 696505.

It is an arithmetic number, because the mean of its divisors is an integer number (1088300322).

Almost surely, 2^11212032112 is an apocalyptic number.

It is an amenable number.

11212032112 is a deficient number, since it is larger than the sum of its proper divisors (10553974328).

11212032112 is a wasteful number, since it uses less digits than its factorization.

11212032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377240 (or 1377234 counting only the distinct ones).

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

Adding to 11212032112 its reverse (21123021211), we get a palindrome (32335053323).

The spelling of 11212032112 in words is "eleven billion, two hundred twelve million, thirty-two thousand, one hundred twelve".