12211444415 has 8 divisors (see below), whose sum is σ = 14678448048. Its totient is φ = 9752679040.

The previous prime is 12211444411. The next prime is 12211444429. The reversal of 12211444415 is 51444411221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211444415 - 2² = 12211444411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211444411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056301 + ... + 2062230.

It is an arithmetic number, because the mean of its divisors is an integer number (1834806006).

Almost surely, 2^12211444415 is an apocalyptic number.

12211444415 is a deficient number, since it is larger than the sum of its proper divisors (2467003633).

12211444415 is an equidigital number, since it uses as much as digits as its factorization.

12211444415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119129.

The product of its digits is 5120, while the sum is 29.

Adding to 12211444415 its reverse (51444411221), we get a palindrome (63655855636).

The spelling of 12211444415 in words is "twelve billion, two hundred eleven million, four hundred forty-four thousand, four hundred fifteen".