1200112121213 has 2 divisors, whose sum is σ = 1200112121214. Its totient is φ = 1200112121212.

The previous prime is 1200112121123. The next prime is 1200112121303. The reversal of 1200112121213 is 3121212110021.

It is a happy number.

Together with previous prime (1200112121123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1200112121123) and next prime (1200112121303).

It can be written as a sum of positive squares in only one way, i.e., 1162985382724 + 37126738489 = 1078418^2 + 192683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200112121213 - 2⁸ = 1200112120957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200112121191 and 1200112121200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200112121513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600056060606 + 600056060607.

It is an arithmetic number, because the mean of its divisors is an integer number (600056060607).

Almost surely, 2^{1200112121213} is an apocalyptic number.

It is an amenable number.

1200112121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200112121213 is an equidigital number, since it uses as much as digits as its factorization.

1200112121213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1200112121213 its reverse (3121212110021), we get a palindrome (4321324231234).

The spelling of 1200112121213 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred twenty-one thousand, two hundred thirteen".