12312333101 has 4 divisors (see below), whose sum is σ = 12312821052. Its totient is φ = 12311845152.

The previous prime is 12312333073. The next prime is 12312333161. The reversal of 12312333101 is 10133321321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3644536900 + 8667796201 = 60370^2 + 93101^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312333101 - 2¹⁸ = 12312070957 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 (12312333161) 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, 203936 + ... + 257321.

It is an arithmetic number, because the mean of its divisors is an integer number (3078205263).

Almost surely, 2^12312333101 is an apocalyptic number.

It is an amenable number.

12312333101 is a deficient number, since it is larger than the sum of its proper divisors (487951).

12312333101 is an equidigital number, since it uses as much as digits as its factorization.

12312333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487950.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12312333101 its reverse (10133321321), we get a palindrome (22445654422).

It can be divided in two parts, 1231 and 2333101, that added together give a palindrome (2334332).

The spelling of 12312333101 in words is "twelve billion, three hundred twelve million, three hundred thirty-three thousand, one hundred one".