123221230002 has 48 divisors (see below), whose sum is σ = 287565969600. Its totient is φ = 37907662176.

The previous prime is 123221229983. The next prime is 123221230117. The reversal of 123221230002 is 200032122321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408093 + ... + 1493039.

It is an arithmetic number, because the mean of its divisors is an integer number (5990957700).

Almost surely, 2^123221230002 is an apocalyptic number.

123221230002 is an abundant number, since it is smaller than the sum of its proper divisors (164344739598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123221230002 is a wasteful number, since it uses less digits than its factorization.

123221230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91167 (or 91164 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123221230002 its reverse (200032122321), we get a palindrome (323253352323).

The spelling of 123221230002 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty thousand, two".