123330320212 has 24 divisors (see below), whose sum is σ = 235776320640. Its totient is φ = 55981253760.

The previous prime is 123330320209. The next prime is 123330320221. The reversal of 123330320212 is 212023033321.

123330320212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 1917573 + ... + 1980844.

It is an arithmetic number, because the mean of its divisors is an integer number (9824013360).

Almost surely, 2^123330320212 is an apocalyptic number.

It is an amenable number.

123330320212 is a deficient number, since it is larger than the sum of its proper divisors (112446000428).

123330320212 is a wasteful number, since it uses less digits than its factorization.

123330320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899151 (or 3899149 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123330320212 its reverse (212023033321), we get a palindrome (335353353533).

The spelling of 123330320212 in words is "one hundred twenty-three billion, three hundred thirty million, three hundred twenty thousand, two hundred twelve".