12031032300123 has 16 divisors (see below), whose sum is σ = 16839498470400. Its totient is φ = 7630397737440.

The previous prime is 12031032300059. The next prime is 12031032300173. The reversal of 12031032300123 is 32100323013021.

It is not a de Polignac number, because 12031032300123 - 2⁶ = 12031032300059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12031032300123.

It is not an unprimeable number, because it can be changed into a prime (12031032300173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096316028 + ... + 1096327001.

It is an arithmetic number, because the mean of its divisors is an integer number (1052468654400).

Almost surely, 2^{12031032300123} is an apocalyptic number.

12031032300123 is a deficient number, since it is larger than the sum of its proper divisors (4808466170277).

12031032300123 is a wasteful number, since it uses less digits than its factorization.

12031032300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192643122.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12031032300123 its reverse (32100323013021), we get a palindrome (44131355313144).

The spelling of 12031032300123 in words is "twelve trillion, thirty-one billion, thirty-two million, three hundred thousand, one hundred twenty-three".