123130313122212 has 54 divisors (see below), whose sum is σ = 342113448064934. Its totient is φ = 37312216096320.

The previous prime is 123130313122151. The next prime is 123130313122247. The reversal of 123130313122212 is 212221313031321.

123130313122212 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 303 + 131 + 2 + 221 + 2 = 666.

123130313122212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 97421519214756 + 25708793907456 = 9870234^2 + 5070384^2 .

It is a super-2 number, since 2×123130313122212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14133410833 + ... + 14133419544.

Almost surely, 2^{123130313122212} is an apocalyptic number.

123130313122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123130313122212 is an abundant number, since it is smaller than the sum of its proper divisors (218983134942722).

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

123130313122212 is a wasteful number, since it uses less digits than its factorization.

123130313122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28266830409 (or 28266830393 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 123130313122212 its reverse (212221313031321), we get a palindrome (335351626153533).

The spelling of 123130313122212 in words is "one hundred twenty-three trillion, one hundred thirty billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twelve".