12002320423434 has 32 divisors (see below), whose sum is σ = 26187552227520. Its totient is φ = 3636973558400.

The previous prime is 12002320423397. The next prime is 12002320423447. The reversal of 12002320423434 is 43432402320021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285262 + ... + 4907750.

It is an arithmetic number, because the mean of its divisors is an integer number (818361007110).

Almost surely, 2^{12002320423434} is an apocalyptic number.

12002320423434 is an abundant number, since it is smaller than the sum of its proper divisors (14185231804086).

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

12002320423434 is a wasteful number, since it uses less digits than its factorization.

12002320423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661846.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 12002320423434 its reverse (43432402320021), we get a palindrome (55434722743455).

The spelling of 12002320423434 in words is "twelve trillion, two billion, three hundred twenty million, four hundred twenty-three thousand, four hundred thirty-four".