123312321201 has 16 divisors (see below), whose sum is σ = 174392906688. Its totient is φ = 77236915200.

The previous prime is 123312321151. The next prime is 123312321229. The reversal of 123312321201 is 102123213321.

It is not a de Polignac number, because 123312321201 - 2⁶ = 123312321137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123312322201) 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, 2088120 + ... + 2146361.

It is an arithmetic number, because the mean of its divisors is an integer number (10899556668).

Almost surely, 2^123312321201 is an apocalyptic number.

It is an amenable number.

123312321201 is a deficient number, since it is larger than the sum of its proper divisors (51080585487).

123312321201 is a wasteful number, since it uses less digits than its factorization.

123312321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235072.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123312321201 its reverse (102123213321), we get a palindrome (225435534522).

The spelling of 123312321201 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred twenty-one thousand, two hundred one".