123003212122 has 16 divisors (see below), whose sum is σ = 223266335040. Its totient is φ = 49614740928.

The previous prime is 123003212041. The next prime is 123003212177. The reversal of 123003212122 is 221212300321.

It is a self number, because there is not a number n which added to its sum of digits gives 123003212122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258409872 + ... + 258410347.

It is an arithmetic number, because the mean of its divisors is an integer number (13954145940).

Almost surely, 2^123003212122 is an apocalyptic number.

123003212122 is a deficient number, since it is larger than the sum of its proper divisors (100263122918).

123003212122 is a wasteful number, since it uses less digits than its factorization.

123003212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516820245.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123003212122 its reverse (221212300321), we get a palindrome (344215512443).

The spelling of 123003212122 in words is "one hundred twenty-three billion, three million, two hundred twelve thousand, one hundred twenty-two".