12320123213 has 8 divisors (see below), whose sum is σ = 13066532736. Its totient is φ = 11591276400.

The previous prime is 12320123209. The next prime is 12320123219. The reversal of 12320123213 is 31232102321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12320123213 - 2² = 12320123209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320123219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389233 + ... + 4392038.

It is an arithmetic number, because the mean of its divisors is an integer number (1633316592).

Almost surely, 2^12320123213 is an apocalyptic number.

It is an amenable number.

12320123213 is a deficient number, since it is larger than the sum of its proper divisors (746409523).

12320123213 is an equidigital number, since it uses as much as digits as its factorization.

12320123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781355.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12320123213 its reverse (31232102321), we get a palindrome (43552225534).

The spelling of 12320123213 in words is "twelve billion, three hundred twenty million, one hundred twenty-three thousand, two hundred thirteen".