12123130210012 has 24 divisors (see below), whose sum is σ = 21996323274240. Its totient is φ = 5840189188080.

The previous prime is 12123130209923. The next prime is 12123130210019. The reversal of 12123130210012 is 21001203132121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123130210019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 215318062 + ... + 215374357.

It is an arithmetic number, because the mean of its divisors is an integer number (916513469760).

Almost surely, 2^{12123130210012} is an apocalyptic number.

It is an amenable number.

12123130210012 is a deficient number, since it is larger than the sum of its proper divisors (9873193064228).

12123130210012 is a wasteful number, since it uses less digits than its factorization.

12123130210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430692681 (or 430692679 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12123130210012 its reverse (21001203132121), we get a palindrome (33124333342133).

The spelling of 12123130210012 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirty million, two hundred ten thousand, twelve".