12320143107 has 8 divisors (see below), whose sum is σ = 16427433984. Its totient is φ = 8213140488.

The previous prime is 12320143103. The next prime is 12320143123. The reversal of 12320143107 is 70134102321.

It is a happy number.

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

It is not a de Polignac number, because 12320143107 - 2² = 12320143103 is a prime.

It is a super-2 number, since 2×12320143107² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320143103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64798 + ... + 169820.

It is an arithmetic number, because the mean of its divisors is an integer number (2053429248).

Almost surely, 2^12320143107 is an apocalyptic number.

12320143107 is a deficient number, since it is larger than the sum of its proper divisors (4107290877).

12320143107 is a wasteful number, since it uses less digits than its factorization.

12320143107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144129.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 12320143107 its reverse (70134102321), we get a palindrome (82454245428).

The spelling of 12320143107 in words is "twelve billion, three hundred twenty million, one hundred forty-three thousand, one hundred seven".