1012001010019 has 4 divisors (see below), whose sum is σ = 1012009570920. Its totient is φ = 1011992449120.

The previous prime is 1012001009977. The next prime is 1012001010049. The reversal of 1012001010019 is 9100101002101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012001010019 - 2⁹ = 1012001009507 is a prime.

It is a super-2 number, since 2×1012001010019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012001009984 and 1012001010011.

It is not an unprimeable number, because it can be changed into a prime (1012001010049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100614 + ... + 4340395.

It is an arithmetic number, because the mean of its divisors is an integer number (253002392730).

Almost surely, 2^{1012001010019} is an apocalyptic number.

1012001010019 is a deficient number, since it is larger than the sum of its proper divisors (8560901).

1012001010019 is an equidigital number, since it uses as much as digits as its factorization.

1012001010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560900.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 1012001010019 in words is "one trillion, twelve billion, one million, ten thousand, nineteen".