12311225619 has 32 divisors (see below), whose sum is σ = 20812308480. Its totient is φ = 6287037600.

The previous prime is 12311225593. The next prime is 12311225653. The reversal of 12311225619 is 91652211321.

It is a happy number.

It is not a de Polignac number, because 12311225619 - 2¹⁵ = 12311192851 is a prime.

It is a super-2 number, since 2×12311225619² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 12311225619.

It is not an unprimeable number, because it can be changed into a prime (12311225669) 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 31 ways as a sum of consecutive naturals, for example, 438027 + ... + 465284.

It is an arithmetic number, because the mean of its divisors is an integer number (650384640).

Almost surely, 2^12311225619 is an apocalyptic number.

12311225619 is a deficient number, since it is larger than the sum of its proper divisors (8501082861).

12311225619 is a wasteful number, since it uses less digits than its factorization.

12311225619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903391.

The product of its digits is 6480, while the sum is 33.

The spelling of 12311225619 in words is "twelve billion, three hundred eleven million, two hundred twenty-five thousand, six hundred nineteen".