1233200123213 has 2 divisors, whose sum is σ = 1233200123214. Its totient is φ = 1233200123212.

The previous prime is 1233200123159. The next prime is 1233200123273. The reversal of 1233200123213 is 3123210023321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660192000484 + 573008122729 = 812522^2 + 756973^2 .

It is an emirp because it is prime and its reverse (3123210023321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233200123213 - 2²⁰ = 1233199074637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233200123273) 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, 616600061606 + 616600061607.

It is an arithmetic number, because the mean of its divisors is an integer number (616600061607).

Almost surely, 2^{1233200123213} is an apocalyptic number.

It is an amenable number.

1233200123213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233200123213 is an equidigital number, since it uses as much as digits as its factorization.

1233200123213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1233200123213 its reverse (3123210023321), we get a palindrome (4356410146534).

The spelling of 1233200123213 in words is "one trillion, two hundred thirty-three billion, two hundred million, one hundred twenty-three thousand, two hundred thirteen".