1200000202109 has 8 divisors (see below), whose sum is σ = 1255678516992. Its totient is φ = 1145382426720.

The previous prime is 1200000202057. The next prime is 1200000202117. The reversal of 1200000202109 is 9012020000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200000202109 - 2³⁶ = 1131280725373 is a prime.

It is a super-3 number, since 3×1200000202109³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200000202129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265132559 + ... + 265137084.

It is an arithmetic number, because the mean of its divisors is an integer number (156959814624).

Almost surely, 2^{1200000202109} is an apocalyptic number.

It is an amenable number.

1200000202109 is a deficient number, since it is larger than the sum of its proper divisors (55678314883).

1200000202109 is an equidigital number, since it uses as much as digits as its factorization.

1200000202109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530269747.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 1200000202109 in words is "one trillion, two hundred billion, two hundred two thousand, one hundred nine".