3103212110123 has 4 divisors (see below), whose sum is σ = 3108038257128. Its totient is φ = 3098385963120.

The previous prime is 3103212110101. The next prime is 3103212110143. The reversal of 3103212110123 is 3210112123013.

It is a happy number.

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-3103212110123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103212110095 and 3103212110104.

It is not an unprimeable number, because it can be changed into a prime (3103212110143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413072538 + ... + 2413073823.

It is an arithmetic number, because the mean of its divisors is an integer number (777009564282).

Almost surely, 2^{3103212110123} is an apocalyptic number.

3103212110123 is a deficient number, since it is larger than the sum of its proper divisors (4826147005).

3103212110123 is an equidigital number, since it uses as much as digits as its factorization.

3103212110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826147004.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3103212110123 its reverse (3210112123013), we get a palindrome (6313324233136).

The spelling of 3103212110123 in words is "three trillion, one hundred three billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-three".