12211094088 has 84 divisors (see below), whose sum is σ = 34351738515. Its totient is φ = 4067551728.

The previous prime is 12211094081. The next prime is 12211094099. The reversal of 12211094088 is 88049011221.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6105547044 + 6105547044 = 78138^2 + 78138^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78138.

It is a super-2 number, since 2×12211094088² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12211094081) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 8438181 + ... + 8439627.

Almost surely, 2^12211094088 is an apocalyptic number.

12211094088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211094088

12211094088 is an abundant number, since it is smaller than the sum of its proper divisors (22140644427).

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

12211094088 is an frugal number, since it uses more digits than its factorization.

12211094088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 12211094088 in words is "twelve billion, two hundred eleven million, ninety-four thousand, eighty-eight".