123331002201 has 72 divisors (see below), whose sum is σ = 215080407360. Its totient is φ = 67733012160.

The previous prime is 123331002169. The next prime is 123331002259. The reversal of 123331002201 is 102200133321.

123331002201 is a `hidden beast` number, since 12 + 333 + 100 + 220 + 1 = 666.

It is not a de Polignac number, because 123331002201 - 2⁵ = 123331002169 is a prime.

It is a super-2 number, since 2×123331002201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123331002281) 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 71 ways as a sum of consecutive naturals, for example, 346315 + ... + 605471.

It is an arithmetic number, because the mean of its divisors is an integer number (2987227880).

Almost surely, 2^123331002201 is an apocalyptic number.

123331002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123331002201 is a deficient number, since it is larger than the sum of its proper divisors (91749405159).

123331002201 is a wasteful number, since it uses less digits than its factorization.

123331002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259227 (or 259213 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123331002201 its reverse (102200133321), we get a palindrome (225531135522).

The spelling of 123331002201 in words is "one hundred twenty-three billion, three hundred thirty-one million, two thousand, two hundred one".