12000221022112 has 96 divisors (see below), whose sum is σ = 24163378242192. Its totient is φ = 5865102802944.

The previous prime is 12000221022091. The next prime is 12000221022149. The reversal of 12000221022112 is 21122012200021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5658708470416 + 6341512551696 = 2378804^2 + 2518236^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197429358 + ... + 197490130.

Almost surely, 2^{12000221022112} is an apocalyptic number.

It is an amenable number.

12000221022112 is an abundant number, since it is smaller than the sum of its proper divisors (12163157220080).

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

12000221022112 is a wasteful number, since it uses less digits than its factorization.

12000221022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61610 (or 61602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000221022112 its reverse (21122012200021), we get a palindrome (33122233222133).

The spelling of 12000221022112 in words is "twelve trillion, two hundred twenty-one million, twenty-two thousand, one hundred twelve".