123121223130301 has 32 divisors (see below), whose sum is σ = 143959960972800. Its totient is φ = 104109373702080.

The previous prime is 123121223130299. The next prime is 123121223130319. The reversal of 123121223130301 is 103031322121321.

It is a cyclic number.

It is not a de Polignac number, because 123121223130301 - 2¹ = 123121223130299 is a prime.

It is a super-3 number, since 3×123121223130301³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123121223130371) 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 31 ways as a sum of consecutive naturals, for example, 3563886 + ... + 16091728.

It is an arithmetic number, because the mean of its divisors is an integer number (4498748780400).

Almost surely, 2^{123121223130301} is an apocalyptic number.

123121223130301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123121223130301 is a deficient number, since it is larger than the sum of its proper divisors (20838737842499).

123121223130301 is a wasteful number, since it uses less digits than its factorization.

123121223130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528729.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123121223130301 its reverse (103031322121321), we get a palindrome (226152545251622).

The spelling of 123121223130301 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred thirty thousand, three hundred one".