1000120020019 has 2 divisors, whose sum is σ = 1000120020020. Its totient is φ = 1000120020018.

The previous prime is 1000120020001. The next prime is 1000120020023. The reversal of 1000120020019 is 9100200210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000120020019 - 2¹⁹ = 1000119495731 is a prime.

It is a super-2 number, since 2×1000120020019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000120019984 and 1000120020011.

It is not a weakly prime, because it can be changed into another prime (1000120060019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500060010009 + 500060010010.

It is an arithmetic number, because the mean of its divisors is an integer number (500060010010).

Almost surely, 2^{1000120020019} is an apocalyptic number.

1000120020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000120020019 is an equidigital number, since it uses as much as digits as its factorization.

1000120020019 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 1000120020019 in words is "one trillion, one hundred twenty million, twenty thousand, nineteen".