12312021119 has 2 divisors, whose sum is σ = 12312021120. Its totient is φ = 12312021118.

The previous prime is 12312021091. The next prime is 12312021131. The reversal of 12312021119 is 91112021321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312021119 - 2²⁴ = 12295243903 is a prime.

It is a super-2 number, since 2×12312021119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12312021094 and 12312021103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312024119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156010559 + 6156010560.

It is an arithmetic number, because the mean of its divisors is an integer number (6156010560).

Almost surely, 2^12312021119 is an apocalyptic number.

12312021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312021119 is an equidigital number, since it uses as much as digits as its factorization.

12312021119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

It can be divided in two parts, 1231202 and 1119, that added together give a palindrome (1232321).

The spelling of 12312021119 in words is "twelve billion, three hundred twelve million, twenty-one thousand, one hundred nineteen".