11122020121212 has 288 divisors, whose sum is σ = 38928072476160. Its totient is φ = 2666617873920.

The previous prime is 11122020121193. The next prime is 11122020121229. The reversal of 11122020121212 is 21212102022111.

11122020121212 is a `hidden beast` number, since 1 + 11 + 220 + 201 + 21 + 212 = 666.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 2551473 + ... + 5362280.

It is an arithmetic number, because the mean of its divisors is an integer number (135166918320).

Almost surely, 2^{11122020121212} is an apocalyptic number.

11122020121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122020121212 is an abundant number, since it is smaller than the sum of its proper divisors (27806052354948).

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

11122020121212 is a wasteful number, since it uses less digits than its factorization.

11122020121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913810 (or 7913789 counting only the distinct ones).

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

Adding to 11122020121212 its reverse (21212102022111), we get a palindrome (32334122143323).

The spelling of 11122020121212 in words is "eleven trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred twelve".