212103123103 has 8 divisors (see below), whose sum is σ = 212313112416. Its totient is φ = 211893208800.

The previous prime is 212103123097. The next prime is 212103123109. The reversal of 212103123103 is 301321301212.

It is an interprime number because it is at equal distance from previous prime (212103123097) and next prime (212103123109).

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-212103123103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103123109) 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, 6839613 + ... + 6870553.

It is an arithmetic number, because the mean of its divisors is an integer number (26539139052).

Almost surely, 2^212103123103 is an apocalyptic number.

212103123103 is a deficient number, since it is larger than the sum of its proper divisors (209989313).

212103123103 is a wasteful number, since it uses less digits than its factorization.

212103123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37505.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212103123103 its reverse (301321301212), we get a palindrome (513424424315).

The spelling of 212103123103 in words is "two hundred twelve billion, one hundred three million, one hundred twenty-three thousand, one hundred three".