12100123331 has 4 divisors (see below), whose sum is σ = 12381521592. Its totient is φ = 11818725072.

The previous prime is 12100123313. The next prime is 12100123349. The reversal of 12100123331 is 13332100121.

12100123331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332100121 = 23 ⋅579656527.

It is an interprime number because it is at equal distance from previous prime (12100123313) and next prime (12100123349).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100123331 is a prime.

It is a super-2 number, since 2×12100123331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100123631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140699066 + ... + 140699151.

It is an arithmetic number, because the mean of its divisors is an integer number (3095380398).

Almost surely, 2^12100123331 is an apocalyptic number.

12100123331 is a deficient number, since it is larger than the sum of its proper divisors (281398261).

12100123331 is an equidigital number, since it uses as much as digits as its factorization.

12100123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281398260.

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

Adding to 12100123331 its reverse (13332100121), we get a palindrome (25432223452).

The spelling of 12100123331 in words is "twelve billion, one hundred million, one hundred twenty-three thousand, three hundred thirty-one".