123204041005012 has 24 divisors (see below), whose sum is σ = 235209172901472. Its totient is φ = 56001489616800.

The previous prime is 123204041005009. The next prime is 123204041005037. The reversal of 123204041005012 is 210500140402321.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1434558 + ... + 15762805.

It is an arithmetic number, because the mean of its divisors is an integer number (9800382204228).

Almost surely, 2^{123204041005012} is an apocalyptic number.

It is an amenable number.

123204041005012 is a deficient number, since it is larger than the sum of its proper divisors (112005131896460).

123204041005012 is a wasteful number, since it uses less digits than its factorization.

123204041005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360199 (or 17360197 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 123204041005012 its reverse (210500140402321), we get a palindrome (333704181407333).

The spelling of 123204041005012 in words is "one hundred twenty-three trillion, two hundred four billion, forty-one million, five thousand, twelve".