1200102030009 has 12 divisors (see below), whose sum is σ = 1793255907300. Its totient is φ = 772479467424.

The previous prime is 1200102029923. The next prime is 1200102030119. The reversal of 1200102030009 is 9000302010021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 550522448784 + 649579581225 = 741972^2 + 805965^2 .

It is not a de Polignac number, because 1200102030009 - 2⁷ = 1200102029881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1200102029973 and 1200102030000.

It is not an unprimeable number, because it can be changed into a prime (1200102030509) 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, 2299045774 + ... + 2299046295.

It is an arithmetic number, because the mean of its divisors is an integer number (149437992275).

Almost surely, 2^{1200102030009} is an apocalyptic number.

It is an amenable number.

1200102030009 is a deficient number, since it is larger than the sum of its proper divisors (593153877291).

1200102030009 is a wasteful number, since it uses less digits than its factorization.

1200102030009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598092104 (or 4598092101 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 1200102030009 in words is "one trillion, two hundred billion, one hundred two million, thirty thousand, nine".