123030230243212 has 6 divisors (see below), whose sum is σ = 215302902925628. Its totient is φ = 61515115121604.

The previous prime is 123030230243201. The next prime is 123030230243279. The reversal of 123030230243212 is 212342032030321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15378778780398 + ... + 15378778780405.

Almost surely, 2^{123030230243212} is an apocalyptic number.

It is an amenable number.

123030230243212 is a deficient number, since it is larger than the sum of its proper divisors (92272672682416).

123030230243212 is a wasteful number, since it uses less digits than its factorization.

123030230243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30757557560807 (or 30757557560805 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123030230243212 its reverse (212342032030321), we get a palindrome (335372262273533).

The spelling of 123030230243212 in words is "one hundred twenty-three trillion, thirty billion, two hundred thirty million, two hundred forty-three thousand, two hundred twelve".