123030215350212 has 24 divisors (see below), whose sum is σ = 288674248312800. Its totient is φ = 40780965236416.

The previous prime is 123030215350153. The next prime is 123030215350219. The reversal of 123030215350212 is 212053512030321.

It is a self number, because there is not a number n which added to its sum of digits gives 123030215350212.

It is not an unprimeable number, because it can be changed into a prime (123030215350219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28638316137 + ... + 28638320432.

It is an arithmetic number, because the mean of its divisors is an integer number (12028093679700).

Almost surely, 2^{123030215350212} is an apocalyptic number.

123030215350212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123030215350212 is an abundant number, since it is smaller than the sum of its proper divisors (165644032962588).

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

123030215350212 is a wasteful number, since it uses less digits than its factorization.

123030215350212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57276636755 (or 57276636753 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 123030215350212 its reverse (212053512030321), we get a palindrome (335083727380533).

The spelling of 123030215350212 in words is "one hundred twenty-three trillion, thirty billion, two hundred fifteen million, three hundred fifty thousand, two hundred twelve".