12120000019 has 2 divisors, whose sum is σ = 12120000020. Its totient is φ = 12120000018.

The previous prime is 12119999999. The next prime is 12120000023. The reversal of 12120000019 is 91000002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120000019 - 2¹³ = 12119991827 is a prime.

It is a super-2 number, since 2×12120000019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12119999957 and 12120000011.

It is not a weakly prime, because it can be changed into another prime (12120004019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060000009 + 6060000010.

It is an arithmetic number, because the mean of its divisors is an integer number (6060000010).

Almost surely, 2^12120000019 is an apocalyptic number.

12120000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120000019 is an equidigital number, since it uses as much as digits as its factorization.

12120000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 12120000019 in words is "twelve billion, one hundred twenty million, nineteen", and thus it is an aban number.