1200111102013 has 2 divisors, whose sum is σ = 1200111102014. Its totient is φ = 1200111102012.

The previous prime is 1200111102007. The next prime is 1200111102037. The reversal of 1200111102013 is 3102011110021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700858631929 + 499252470084 = 837173^2 + 706578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200111102013 - 2²⁹ = 1199574231101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200111101984 and 1200111102002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200111102913) 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 as a sum of consecutive naturals, namely, 600055551006 + 600055551007.

It is an arithmetic number, because the mean of its divisors is an integer number (600055551007).

Almost surely, 2^{1200111102013} is an apocalyptic number.

It is an amenable number.

1200111102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200111102013 is an equidigital number, since it uses as much as digits as its factorization.

1200111102013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1200111102013 its reverse (3102011110021), we get a palindrome (4302122212034).

The spelling of 1200111102013 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred two thousand, thirteen".