123212301133 has 16 divisors (see below), whose sum is σ = 132590131200. Its totient is φ = 114225810160.

The previous prime is 123212301097. The next prime is 123212301151. The reversal of 123212301133 is 331103212321.

It is a cyclic number.

It is not a de Polignac number, because 123212301133 - 2²⁵ = 123178746701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212301833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543073 + ... + 735766.

It is an arithmetic number, because the mean of its divisors is an integer number (8286883200).

Almost surely, 2^123212301133 is an apocalyptic number.

It is an amenable number.

123212301133 is a deficient number, since it is larger than the sum of its proper divisors (9377830067).

123212301133 is a wasteful number, since it uses less digits than its factorization.

123212301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278992.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123212301133 its reverse (331103212321), we get a palindrome (454315513454).

The spelling of 123212301133 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred one thousand, one hundred thirty-three".