12321123101 has 8 divisors (see below), whose sum is σ = 14082063744. Its totient is φ = 10560377520.

The previous prime is 12321123091. The next prime is 12321123103. The reversal of 12321123101 is 10132112321.

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

It is not a de Polignac number, because 12321123101 - 2⁶ = 12321123037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12321123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321123103) 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, 130571 + ... + 204183.

It is an arithmetic number, because the mean of its divisors is an integer number (1760257968).

Almost surely, 2^12321123101 is an apocalyptic number.

It is an amenable number.

12321123101 is a deficient number, since it is larger than the sum of its proper divisors (1760940643).

12321123101 is an equidigital number, since it uses as much as digits as its factorization.

12321123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97531.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12321123101 its reverse (10132112321), we get a palindrome (22453235422).

The spelling of 12321123101 in words is "twelve billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred one".