12123303101 has 16 divisors (see below), whose sum is σ = 15225504000. Its totient is φ = 9592060464.

The previous prime is 12123303097. The next prime is 12123303113. The reversal of 12123303101 is 10130332121.

It is not a de Polignac number, because 12123303101 - 2² = 12123303097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12123303101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123303601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354961 + ... + 1363878.

It is an arithmetic number, because the mean of its divisors is an integer number (951594000).

Almost surely, 2^12123303101 is an apocalyptic number.

It is an amenable number.

12123303101 is a deficient number, since it is larger than the sum of its proper divisors (3102200899).

12123303101 is an equidigital number, since it uses as much as digits as its factorization.

12123303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718873 (or 2718859 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12123303101 its reverse (10130332121), we get a palindrome (22253635222).

The spelling of 12123303101 in words is "twelve billion, one hundred twenty-three million, three hundred three thousand, one hundred one".