123030134050012 has 96 divisors (see below), whose sum is σ = 264672163381248. Its totient is φ = 48900309357504.

The previous prime is 123030134049997. The next prime is 123030134050013. The reversal of 123030134050012 is 210050431030321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030134050013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15755218 + ... + 22232569.

It is an arithmetic number, because the mean of its divisors is an integer number (2757001701888).

Almost surely, 2^{123030134050012} is an apocalyptic number.

It is an amenable number.

123030134050012 is an abundant number, since it is smaller than the sum of its proper divisors (141642029331236).

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

123030134050012 is a wasteful number, since it uses less digits than its factorization.

123030134050012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37987975 (or 37987973 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 123030134050012 its reverse (210050431030321), we get a palindrome (333080565080333).

The spelling of 123030134050012 in words is "one hundred twenty-three trillion, thirty billion, one hundred thirty-four million, fifty thousand, twelve".