12002320203123 has 32 divisors (see below), whose sum is σ = 16256007152640. Its totient is φ = 7875731635200.

The previous prime is 12002320203101. The next prime is 12002320203127. The reversal of 12002320203123 is 32130202320021.

It is a happy number.

It is not a de Polignac number, because 12002320203123 - 2⁵ = 12002320203091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002320203123.

It is not an unprimeable number, because it can be changed into a prime (12002320203127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342406948 + ... + 342441998.

It is an arithmetic number, because the mean of its divisors is an integer number (508000223520).

Almost surely, 2^{12002320203123} is an apocalyptic number.

12002320203123 is a deficient number, since it is larger than the sum of its proper divisors (4253686949517).

12002320203123 is a wasteful number, since it uses less digits than its factorization.

12002320203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39579.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12002320203123 its reverse (32130202320021), we get a palindrome (44132522523144).

The spelling of 12002320203123 in words is "twelve trillion, two billion, three hundred twenty million, two hundred three thousand, one hundred twenty-three".