12222011016 has 48 divisors (see below), whose sum is σ = 33172863360. Its totient is φ = 4065193440.

The previous prime is 12222010973. The next prime is 12222011017. The reversal of 12222011016 is 61011022221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12222011016.

It is not an unprimeable number, because it can be changed into a prime (12222011017) 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, 149980 + ... + 216651.

It is an arithmetic number, because the mean of its divisors is an integer number (691101320).

Almost surely, 2^12222011016 is an apocalyptic number.

It is an amenable number.

12222011016 is an abundant number, since it is smaller than the sum of its proper divisors (20950852344).

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

12222011016 is a wasteful number, since it uses less digits than its factorization.

12222011016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367106 (or 367099 counting only the distinct ones).

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

Adding to 12222011016 its reverse (61011022221), we get a palindrome (73233033237).

The spelling of 12222011016 in words is "twelve billion, two hundred twenty-two million, eleven thousand, sixteen".