12102103013131 has 4 divisors (see below), whose sum is σ = 12109226089000. Its totient is φ = 12094979937264.

The previous prime is 12102103013111. The next prime is 12102103013141. The reversal of 12102103013131 is 13131030120121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102103013131 - 2⁷ = 12102103013003 is a prime.

It is a super-2 number, since 2×12102103013131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102103013099 and 12102103013108.

It is not an unprimeable number, because it can be changed into a prime (12102103013111) 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, 3561535386 + ... + 3561538783.

It is an arithmetic number, because the mean of its divisors is an integer number (3027306522250).

Almost surely, 2^{12102103013131} is an apocalyptic number.

12102103013131 is a deficient number, since it is larger than the sum of its proper divisors (7123075869).

12102103013131 is an equidigital number, since it uses as much as digits as its factorization.

12102103013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123075868.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12102103013131 its reverse (13131030120121), we get a palindrome (25233133133252).

The spelling of 12102103013131 in words is "twelve trillion, one hundred two billion, one hundred three million, thirteen thousand, one hundred thirty-one".