1012002201019 has 4 divisors (see below), whose sum is σ = 1014350234400. Its totient is φ = 1009654167640.

The previous prime is 1012002200947. The next prime is 1012002201059. The reversal of 1012002201019 is 9101022002101.

It is a happy number.

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 1012002201019 - 2³⁹ = 462246387131 is a prime.

It is a super-2 number, since 2×1012002201019² (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 = 1012002200987 and 1012002201005.

It is not an unprimeable number, because it can be changed into a prime (1012002201059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174016044 + ... + 1174016905.

It is an arithmetic number, because the mean of its divisors is an integer number (253587558600).

Almost surely, 2^{1012002201019} is an apocalyptic number.

1012002201019 is a deficient number, since it is larger than the sum of its proper divisors (2348033381).

1012002201019 is an equidigital number, since it uses as much as digits as its factorization.

1012002201019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348033380.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1012002201019 in words is "one trillion, twelve billion, two million, two hundred one thousand, nineteen".