1202002001019 has 12 divisors (see below), whose sum is σ = 1739434408192. Its totient is φ = 799853454000.

The previous prime is 1202002001017. The next prime is 1202002001033. The reversal of 1202002001019 is 9101002002021.

It is not a de Polignac number, because 1202002001019 - 2¹ = 1202002001017 is a prime.

It is a super-2 number, since 2×1202002001019² (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 = 1202002000992 and 1202002001010.

It is not an unprimeable number, because it can be changed into a prime (1202002001017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123429307 + ... + 123439044.

Almost surely, 2^{1202002001019} is an apocalyptic number.

1202002001019 is a deficient number, since it is larger than the sum of its proper divisors (537432407173).

1202002001019 is a wasteful number, since it uses less digits than its factorization.

1202002001019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246868898 (or 246868895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 1202002001019 in words is "one trillion, two hundred two billion, two million, one thousand, nineteen".