123312102201 has 24 divisors (see below), whose sum is σ = 182631230496. Its totient is φ = 80132592960.

The previous prime is 123312102197. The next prime is 123312102233. The reversal of 123312102201 is 102201213321.

123312102201 is a `hidden beast` number, since 1 + 233 + 1 + 210 + 220 + 1 = 666.

It is not a de Polignac number, because 123312102201 - 2² = 123312102197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123312101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134460 + ... + 514493.

It is an arithmetic number, because the mean of its divisors is an integer number (7609634604).

Almost surely, 2^123312102201 is an apocalyptic number.

It is an amenable number.

123312102201 is a deficient number, since it is larger than the sum of its proper divisors (59319128295).

123312102201 is a wasteful number, since it uses less digits than its factorization.

123312102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649493 (or 649490 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123312102201 its reverse (102201213321), we get a palindrome (225513315522).

The spelling of 123312102201 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred two thousand, two hundred one".