12103320013131 has 4 divisors (see below), whose sum is σ = 16137760017512. Its totient is φ = 8068880008752.

The previous prime is 12103320013117. The next prime is 12103320013139. The reversal of 12103320013131 is 13131002330121.

It is a happy number.

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

It is not a de Polignac number, because 12103320013131 - 2⁷ = 12103320013003 is a prime.

It is a super-2 number, since 2×12103320013131² (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 = 12103320013098 and 12103320013107.

It is not an unprimeable number, because it can be changed into a prime (12103320013139) 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, 2017220002186 + ... + 2017220002191.

It is an arithmetic number, because the mean of its divisors is an integer number (4034440004378).

Almost surely, 2^{12103320013131} is an apocalyptic number.

12103320013131 is a deficient number, since it is larger than the sum of its proper divisors (4034440004381).

12103320013131 is an equidigital number, since it uses as much as digits as its factorization.

12103320013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034440004380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12103320013131 its reverse (13131002330121), we get a palindrome (25234322343252).

The spelling of 12103320013131 in words is "twelve trillion, one hundred three billion, three hundred twenty million, thirteen thousand, one hundred thirty-one".