12102322019 has 2 divisors, whose sum is σ = 12102322020. Its totient is φ = 12102322018.

The previous prime is 12102322013. The next prime is 12102322051. The reversal of 12102322019 is 91022320121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12102322019 - 2¹² = 12102317923 is a prime.

It is a super-2 number, since 2×12102322019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102321985 and 12102322003.

It is not a weakly prime, because it can be changed into another prime (12102322013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051161009 + 6051161010.

It is an arithmetic number, because the mean of its divisors is an integer number (6051161010).

Almost surely, 2^12102322019 is an apocalyptic number.

12102322019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102322019 is an equidigital number, since it uses as much as digits as its factorization.

12102322019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 12102322019 in words is "twelve billion, one hundred two million, three hundred twenty-two thousand, nineteen".