1223012101133 has 2 divisors, whose sum is σ = 1223012101134. Its totient is φ = 1223012101132.

The previous prime is 1223012101109. The next prime is 1223012101177. The reversal of 1223012101133 is 3311012103221.

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., 1212945390244 + 10066710889 = 1101338^2 + 100333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223012101133 - 2⁴⁰ = 123500473357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223012106133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611506050566 + 611506050567.

It is an arithmetic number, because the mean of its divisors is an integer number (611506050567).

Almost surely, 2^{1223012101133} is an apocalyptic number.

It is an amenable number.

1223012101133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223012101133 is an equidigital number, since it uses as much as digits as its factorization.

1223012101133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1223012101133 its reverse (3311012103221), we get a palindrome (4534024204354).

The spelling of 1223012101133 in words is "one trillion, two hundred twenty-three billion, twelve million, one hundred one thousand, one hundred thirty-three".