1200120000103 has 8 divisors (see below), whose sum is σ = 1217069210016. Its totient is φ = 1183172071200.

The previous prime is 1200120000083. The next prime is 1200120000119. The reversal of 1200120000103 is 3010000210021.

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 1200120000103 - 2¹⁷ = 1200119869031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200120000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200120000133) 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, 1651825 + ... + 2264677.

It is an arithmetic number, because the mean of its divisors is an integer number (152133651252).

Almost surely, 2^{1200120000103} is an apocalyptic number.

1200120000103 is a deficient number, since it is larger than the sum of its proper divisors (16949209913).

1200120000103 is an equidigital number, since it uses as much as digits as its factorization.

1200120000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640505.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1200120000103 its reverse (3010000210021), we get a palindrome (4210120210124).

The spelling of 1200120000103 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred three", and thus it is an aban number.