11122120003212 has 72 divisors (see below), whose sum is σ = 28504993156640. Its totient is φ = 3656145185280.

The previous prime is 11122120003207. The next prime is 11122120003243. The reversal of 11122120003212 is 21230002122111.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5329387 + ... + 7116642.

Almost surely, 2^{11122120003212} is an apocalyptic number.

11122120003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122120003212 is an abundant number, since it is smaller than the sum of its proper divisors (17382873153428).

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

11122120003212 is a wasteful number, since it uses less digits than its factorization.

11122120003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446383 (or 12446378 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11122120003212 its reverse (21230002122111), we get a palindrome (32352122125323).

The spelling of 11122120003212 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty million, three thousand, two hundred twelve".