12320315101 has 4 divisors (see below), whose sum is σ = 12362364252. Its totient is φ = 12278265952.

The previous prime is 12320315087. The next prime is 12320315107. The reversal of 12320315101 is 10151302321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10151302321 = 739 ⋅13736539.

It can be written as a sum of positive squares in 2 ways, for example, as 5147919001 + 7172396100 = 71749^2 + 84690^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320315101 - 2¹³ = 12320306909 is a prime.

It is a super-3 number, since 3×12320315101³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320315107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21024136 + ... + 21024721.

It is an arithmetic number, because the mean of its divisors is an integer number (3090591063).

Almost surely, 2^12320315101 is an apocalyptic number.

It is an amenable number.

12320315101 is a deficient number, since it is larger than the sum of its proper divisors (42049151).

12320315101 is an equidigital number, since it uses as much as digits as its factorization.

12320315101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42049150.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 12320315101 its reverse (10151302321), we get a palindrome (22471617422).

The spelling of 12320315101 in words is "twelve billion, three hundred twenty million, three hundred fifteen thousand, one hundred one".