12103102213043 has 4 divisors (see below), whose sum is σ = 12227876462760. Its totient is φ = 11978327963328.

The previous prime is 12103102213031. The next prime is 12103102213049. The reversal of 12103102213043 is 34031220130121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103102213043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103102213049) 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, 62387124713 + ... + 62387124906.

It is an arithmetic number, because the mean of its divisors is an integer number (3056969115690).

Almost surely, 2^{12103102213043} is an apocalyptic number.

12103102213043 is a deficient number, since it is larger than the sum of its proper divisors (124774249717).

12103102213043 is an equidigital number, since it uses as much as digits as its factorization.

12103102213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124774249716.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12103102213043 its reverse (34031220130121), we get a palindrome (46134322343164).

The spelling of 12103102213043 in words is "twelve trillion, one hundred three billion, one hundred two million, two hundred thirteen thousand, forty-three".