11112132212 has 12 divisors (see below), whose sum is σ = 20590127460. Its totient is φ = 5229238656.

The previous prime is 11112132169. The next prime is 11112132257. The reversal of 11112132212 is 21223121111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6514749796 + 4597382416 = 80714^2 + 67804^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 81706787 + ... + 81706922.

It is an arithmetic number, because the mean of its divisors is an integer number (1715843955).

Almost surely, 2^11112132212 is an apocalyptic number.

It is an amenable number.

11112132212 is a deficient number, since it is larger than the sum of its proper divisors (9477995248).

11112132212 is a wasteful number, since it uses less digits than its factorization.

11112132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163413730 (or 163413728 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 11112132212 its reverse (21223121111), we get a palindrome (32335253323).

The spelling of 11112132212 in words is "eleven billion, one hundred twelve million, one hundred thirty-two thousand, two hundred twelve".