11122012212 has 24 divisors (see below), whose sum is σ = 25964400000. Its totient is φ = 3705474816.

The previous prime is 11122012207. The next prime is 11122012229. The reversal of 11122012212 is 21221022111.

It is a junction number, because it is equal to n+sod(n) for n = 11122012191 and 11122012200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207837 + ... + 255812.

It is an arithmetic number, because the mean of its divisors is an integer number (1081850000).

Almost surely, 2^11122012212 is an apocalyptic number.

11122012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122012212 is an abundant number, since it is smaller than the sum of its proper divisors (14842387788).

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

11122012212 is a wasteful number, since it uses less digits than its factorization.

11122012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465655 (or 465653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122012212 its reverse (21221022111), we get a palindrome (32343034323).

The spelling of 11122012212 in words is "eleven billion, one hundred twenty-two million, twelve thousand, two hundred twelve".