11220012212112 has 160 divisors (see below), whose sum is σ = 35461722447360. Its totient is φ = 3368227812480.

The previous prime is 11220012212029. The next prime is 11220012212131. The reversal of 11220012212112 is 21121221002211.

11220012212112 is a `hidden beast` number, since 11 + 220 + 0 + 1 + 221 + 211 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10524778 + ... + 11541705.

It is an arithmetic number, because the mean of its divisors is an integer number (221635765296).

Almost surely, 2^{11220012212112} is an apocalyptic number.

11220012212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220012212112 is an abundant number, since it is smaller than the sum of its proper divisors (24241710235248).

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

11220012212112 is a wasteful number, since it uses less digits than its factorization.

11220012212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22066618 (or 22066606 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220012212112 its reverse (21121221002211), we get a palindrome (32341233214323).

The spelling of 11220012212112 in words is "eleven trillion, two hundred twenty billion, twelve million, two hundred twelve thousand, one hundred twelve".