12122002019 has 2 divisors, whose sum is σ = 12122002020. Its totient is φ = 12122002018.

The previous prime is 12122001979. The next prime is 12122002027. The reversal of 12122002019 is 91020022121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122002019 - 2²⁰ = 12120953443 is a prime.

It is a super-2 number, since 2×12122002019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12122002069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061001009 + 6061001010.

It is an arithmetic number, because the mean of its divisors is an integer number (6061001010).

Almost surely, 2^12122002019 is an apocalyptic number.

12122002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122002019 is an equidigital number, since it uses as much as digits as its factorization.

12122002019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12122002019 in words is "twelve billion, one hundred twenty-two million, two thousand, nineteen".