12021222096 has 80 divisors (see below), whose sum is σ = 37159635520. Its totient is φ = 3698835840.

The previous prime is 12021222047. The next prime is 12021222163. The reversal of 12021222096 is 69022212021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064650 + ... + 1075881.

It is an arithmetic number, because the mean of its divisors is an integer number (464495444).

Almost surely, 2^12021222096 is an apocalyptic number.

12021222096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12021222096 is an abundant number, since it is smaller than the sum of its proper divisors (25138413424).

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

12021222096 is a wasteful number, since it uses less digits than its factorization.

12021222096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140561 (or 2140549 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 12021222096 in words is "twelve billion, twenty-one million, two hundred twenty-two thousand, ninety-six".