11122002222012 has 36 divisors (see below), whose sum is σ = 30669763704216. Its totient is φ = 3370303703520.

The previous prime is 11122002222011. The next prime is 11122002222043. The reversal of 11122002222012 is 21022220022111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122002222011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14042931703 + ... + 14042932494.

Almost surely, 2^{11122002222012} is an apocalyptic number.

11122002222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122002222012 is an abundant number, since it is smaller than the sum of its proper divisors (19547761482204).

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

11122002222012 is a wasteful number, since it uses less digits than its factorization.

11122002222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28085864218 (or 28085864213 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11122002222012 its reverse (21022220022111), we get a palindrome (32144222244123).

The spelling of 11122002222012 in words is "eleven trillion, one hundred twenty-two billion, two million, two hundred twenty-two thousand, twelve".