133020312120123 has 16 divisors (see below), whose sum is σ = 183478900269600. Its totient is φ = 85621052948480.

The previous prime is 133020312120097. The next prime is 133020312120127. The reversal of 133020312120123 is 321021213020331.

It is a cyclic number.

It is not a de Polignac number, because 133020312120123 - 2¹⁶ = 133020312054587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133020312120093 and 133020312120102.

It is not an unprimeable number, because it can be changed into a prime (133020312120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4688838 + ... + 16971323.

It is an arithmetic number, because the mean of its divisors is an integer number (11467431266850).

Almost surely, 2^{133020312120123} is an apocalyptic number.

133020312120123 is a deficient number, since it is larger than the sum of its proper divisors (50458588149477).

133020312120123 is a wasteful number, since it uses less digits than its factorization.

133020312120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730782.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 133020312120123 its reverse (321021213020331), we get a palindrome (454041525140454).

The spelling of 133020312120123 in words is "one hundred thirty-three trillion, twenty billion, three hundred twelve million, one hundred twenty thousand, one hundred twenty-three".