1122122212212 has 12 divisors (see below), whose sum is σ = 2618285161856. Its totient is φ = 374040737400.

The previous prime is 1122122212207. The next prime is 1122122212217. The reversal of 1122122212212 is 2122122212211.

It is an interprime number because it is at equal distance from previous prime (1122122212207) and next prime (1122122212217).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122122212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46755092164 + ... + 46755092187.

Almost surely, 2^{1122122212212} is an apocalyptic number.

1122122212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122122212212 is an abundant number, since it is smaller than the sum of its proper divisors (1496162949644).

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

1122122212212 is a wasteful number, since it uses less digits than its factorization.

1122122212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93510184358 (or 93510184356 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

Adding to 1122122212212 its reverse (2122122212211), we get a palindrome (3244244424423).

Subtracting 1122122212212 from its reverse (2122122212211), we obtain a palindrome (999999999999).

The spelling of 1122122212212 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".