212013202103 has 2 divisors, whose sum is σ = 212013202104. Its totient is φ = 212013202102.

The previous prime is 212013202099. The next prime is 212013202111. The reversal of 212013202103 is 301202310212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212013202103 - 2² = 212013202099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013202133) 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 as a sum of consecutive naturals, namely, 106006601051 + 106006601052.

It is an arithmetic number, because the mean of its divisors is an integer number (106006601052).

Almost surely, 2^212013202103 is an apocalyptic number.

212013202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013202103 is an equidigital number, since it uses as much as digits as its factorization.

212013202103 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212013202103 its reverse (301202310212), we get a palindrome (513215512315).

The spelling of 212013202103 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, one hundred three".