12311203219 has 4 divisors (see below), whose sum is σ = 14069946544. Its totient is φ = 10552459896.

The previous prime is 12311203217. The next prime is 12311203253. The reversal of 12311203219 is 91230211321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12311203219 - 2¹ = 12311203217 is a prime.

It is a super-2 number, since 2×12311203219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311203193 and 12311203202.

It is not an unprimeable number, because it can be changed into a prime (12311203211) 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 3 ways as a sum of consecutive naturals, for example, 879371652 + ... + 879371665.

It is an arithmetic number, because the mean of its divisors is an integer number (3517486636).

Almost surely, 2^12311203219 is an apocalyptic number.

12311203219 is a deficient number, since it is larger than the sum of its proper divisors (1758743325).

12311203219 is an equidigital number, since it uses as much as digits as its factorization.

12311203219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758743324.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 12311203219 in words is "twelve billion, three hundred eleven million, two hundred three thousand, two hundred nineteen".