12211241588 has 36 divisors (see below), whose sum is σ = 26770804452. Its totient is φ = 4830819840.

The previous prime is 12211241561. The next prime is 12211241591. The reversal of 12211241588 is 88514211221.

It can be written as a sum of positive squares in 2 ways, for example, as 5793949924 + 6417291664 = 76118^2 + 80108^2 .

It is a super-2 number, since 2×12211241588² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393693 + ... + 2398788.

It is an arithmetic number, because the mean of its divisors is an integer number (743633457).

Almost surely, 2^12211241588 is an apocalyptic number.

It is an amenable number.

12211241588 is an abundant number, since it is smaller than the sum of its proper divisors (14559562864).

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

12211241588 is a wasteful number, since it uses less digits than its factorization.

12211241588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792512 (or 4792503 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The spelling of 12211241588 in words is "twelve billion, two hundred eleven million, two hundred forty-one thousand, five hundred eighty-eight".