1200123102113 has 8 divisors (see below), whose sum is σ = 1293903968448. Its totient is φ = 1106551336464.

The previous prime is 1200123102077. The next prime is 1200123102121. The reversal of 1200123102113 is 3112013210021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200123102113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200123102091 and 1200123102100.

It is not an unprimeable number, because it can be changed into a prime (1200123102133) 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, 52263245 + ... + 52286202.

It is an arithmetic number, because the mean of its divisors is an integer number (161737996056).

Almost surely, 2^{1200123102113} is an apocalyptic number.

1200123102113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1200123102113 is a deficient number, since it is larger than the sum of its proper divisors (93780866335).

1200123102113 is a wasteful number, since it uses less digits than its factorization.

1200123102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104550343.

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

Adding to 1200123102113 its reverse (3112013210021), we get a palindrome (4312136312134).

The spelling of 1200123102113 in words is "one trillion, two hundred billion, one hundred twenty-three million, one hundred two thousand, one hundred thirteen".