212002123103 has 4 divisors (see below), whose sum is σ = 214384169520. Its totient is φ = 209620076688.

The previous prime is 212002123093. The next prime is 212002123117. The reversal of 212002123103 is 301321200212.

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 212002123103 - 2²² = 211997928799 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 (212002123133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191023075 + ... + 1191023252.

It is an arithmetic number, because the mean of its divisors is an integer number (53596042380).

Almost surely, 2^212002123103 is an apocalyptic number.

212002123103 is a deficient number, since it is larger than the sum of its proper divisors (2382046417).

212002123103 is an equidigital number, since it uses as much as digits as its factorization.

212002123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382046416.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212002123103 its reverse (301321200212), we get a palindrome (513323323315).

The spelling of 212002123103 in words is "two hundred twelve billion, two million, one hundred twenty-three thousand, one hundred three".