1223133312129 has 16 divisors (see below), whose sum is σ = 1701824971392. Its totient is φ = 779935025408.

The previous prime is 1223133312091. The next prime is 1223133312131. The reversal of 1223133312129 is 9212133313221.

It is not a de Polignac number, because 1223133312129 - 2¹³ = 1223133303937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223133312129.

It is not an unprimeable number, because it can be changed into a prime (1223133312529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255639 + ... + 2005715.

It is an arithmetic number, because the mean of its divisors is an integer number (106364060712).

Almost surely, 2^{1223133312129} is an apocalyptic number.

It is an amenable number.

1223133312129 is a deficient number, since it is larger than the sum of its proper divisors (478691659263).

1223133312129 is a wasteful number, since it uses less digits than its factorization.

1223133312129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773736.

The product of its digits is 11664, while the sum is 33.

The spelling of 1223133312129 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-three million, three hundred twelve thousand, one hundred twenty-nine".