12001002019 has 2 divisors, whose sum is σ = 12001002020. Its totient is φ = 12001002018.

The previous prime is 12001001993. The next prime is 12001002029. The reversal of 12001002019 is 91020010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001002019 - 2¹⁵ = 12000969251 is a prime.

It is a super-2 number, since 2×12001002019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001001993 and 12001002011.

It is not a weakly prime, because it can be changed into another prime (12001002029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000501009 + 6000501010.

It is an arithmetic number, because the mean of its divisors is an integer number (6000501010).

Almost surely, 2^12001002019 is an apocalyptic number.

12001002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001002019 is an equidigital number, since it uses as much as digits as its factorization.

12001002019 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 12001002019 in words is "twelve billion, one million, two thousand, nineteen".