12215112484 has 27 divisors (see below), whose sum is σ = 21701954547. Its totient is φ = 6015933504.

The previous prime is 12215112463. The next prime is 12215112487. The reversal of 12215112484 is 48421151221.

The square root of 12215112484 is 110522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 421152484 + 11793960000 = 20522^2 + 108600^2 .

It is a super-3 number, since 3×12215112484³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12215112487) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16135834 + ... + 16136590.

Almost surely, 2^12215112484 is an apocalyptic number.

12215112484 is the 110522-nd square number.

It is an amenable number.

12215112484 is a deficient number, since it is larger than the sum of its proper divisors (9486842063).

12215112484 is an frugal number, since it uses more digits than its factorization.

12215112484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 832 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The spelling of 12215112484 in words is "twelve billion, two hundred fifteen million, one hundred twelve thousand, four hundred eighty-four".