12244521311 has 6 divisors (see below), whose sum is σ = 13458854136. Its totient is φ = 11131382900.

The previous prime is 12244521307. The next prime is 12244521323. The reversal of 12244521311 is 11312544221.

It is a happy number.

It is not a de Polignac number, because 12244521311 - 2² = 12244521307 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 (12244521361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50597075 + ... + 50597316.

It is an arithmetic number, because the mean of its divisors is an integer number (2243142356).

Almost surely, 2^12244521311 is an apocalyptic number.

12244521311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12244521311 is a deficient number, since it is larger than the sum of its proper divisors (1214332825).

12244521311 is a wasteful number, since it uses less digits than its factorization.

12244521311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101194413 (or 101194402 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The spelling of 12244521311 in words is "twelve billion, two hundred forty-four million, five hundred twenty-one thousand, three hundred eleven".