12000900019 has 2 divisors, whose sum is σ = 12000900020. Its totient is φ = 12000900018.

The previous prime is 12000900011. The next prime is 12000900047. The reversal of 12000900019 is 91000900021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000900019 - 2³ = 12000900011 is a prime.

It is a super-2 number, since 2×12000900019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12000900011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000450009 + 6000450010.

It is an arithmetic number, because the mean of its divisors is an integer number (6000450010).

Almost surely, 2^12000900019 is an apocalyptic number.

12000900019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000900019 is an equidigital number, since it uses as much as digits as its factorization.

12000900019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 12000900019 in words is "twelve billion, nine hundred thousand, nineteen".