12103122131 has 8 divisors (see below), whose sum is σ = 12542415600. Its totient is φ = 11665291680.

The previous prime is 12103122079. The next prime is 12103122197. The reversal of 12103122131 is 13122130121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103122131 is a prime.

It is a super-2 number, since 2×12103122131² (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 (12103122431) 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, 348896 + ... + 382013.

It is an arithmetic number, because the mean of its divisors is an integer number (1567801950).

Almost surely, 2^12103122131 is an apocalyptic number.

12103122131 is a deficient number, since it is larger than the sum of its proper divisors (439293469).

12103122131 is an equidigital number, since it uses as much as digits as its factorization.

12103122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731509.

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

Adding to 12103122131 its reverse (13122130121), we get a palindrome (25225252252).

The spelling of 12103122131 in words is "twelve billion, one hundred three million, one hundred twenty-two thousand, one hundred thirty-one".