1210133321213 has 2 divisors, whose sum is σ = 1210133321214. Its totient is φ = 1210133321212.

The previous prime is 1210133321209. The next prime is 1210133321233. The reversal of 1210133321213 is 3121233310121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981522155524 + 228611165689 = 990718^2 + 478133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210133321213 - 2² = 1210133321209 is a prime.

It is a super-2 number, since 2×1210133321213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210133321233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605066660606 + 605066660607.

It is an arithmetic number, because the mean of its divisors is an integer number (605066660607).

Almost surely, 2^{1210133321213} is an apocalyptic number.

It is an amenable number.

1210133321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210133321213 is an equidigital number, since it uses as much as digits as its factorization.

1210133321213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1210133321213 its reverse (3121233310121), we get a palindrome (4331366631334).

The spelling of 1210133321213 in words is "one trillion, two hundred ten billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred thirteen".