1200103113105 has 96 divisors (see below), whose sum is σ = 2262964144896. Its totient is φ = 584819523072.

The previous prime is 1200103113103. The next prime is 1200103113133. The reversal of 1200103113105 is 5013113010021.

It is not a de Polignac number, because 1200103113105 - 2¹ = 1200103113103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200103113103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 236377827 + ... + 236382903.

It is an arithmetic number, because the mean of its divisors is an integer number (23572543176).

Almost surely, 2^{1200103113105} is an apocalyptic number.

1200103113105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200103113105 is a deficient number, since it is larger than the sum of its proper divisors (1062861031791).

1200103113105 is a wasteful number, since it uses less digits than its factorization.

1200103113105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 1200103113105 its reverse (5013113010021), we get a palindrome (6213216123126).

The spelling of 1200103113105 in words is "one trillion, two hundred billion, one hundred three million, one hundred thirteen thousand, one hundred five".