1200013209999 has 12 divisors (see below), whose sum is σ = 1733413734000. Its totient is φ = 799980505344.

The previous prime is 1200013209929. The next prime is 1200013210009. The reversal of 1200013209999 is 9999023100021.

It is not a de Polignac number, because 1200013209999 - 2²⁴ = 1199996432783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200013209919) 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, 2088274 + ... + 2600175.

It is an arithmetic number, because the mean of its divisors is an integer number (144451144500).

Almost surely, 2^{1200013209999} is an apocalyptic number.

1200013209999 is a deficient number, since it is larger than the sum of its proper divisors (533400524001).

1200013209999 is a wasteful number, since it uses less digits than its factorization.

1200013209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716894 (or 4716891 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 1200013209999 in words is "one trillion, two hundred billion, thirteen million, two hundred nine thousand, nine hundred ninety-nine".