212012020102103 has 16 divisors (see below), whose sum is σ = 229802667235680. Its totient is φ = 195591760483392.

The previous prime is 212012020102097. The next prime is 212012020102187. The reversal of 212012020102103 is 301201020210212.

It is a de Polignac number, because none of the positive numbers 2^k-212012020102103 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 (212012020102403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23673101 + ... + 31375782.

It is an arithmetic number, because the mean of its divisors is an integer number (14362666702230).

Almost surely, 2^{212012020102103} is an apocalyptic number.

212012020102103 is a deficient number, since it is larger than the sum of its proper divisors (17790647133577).

212012020102103 is an equidigital number, since it uses as much as digits as its factorization.

212012020102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55050675 (or 55050649 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212012020102103 its reverse (301201020210212), we get a palindrome (513213040312315).

The spelling of 212012020102103 in words is "two hundred twelve trillion, twelve billion, twenty million, one hundred two thousand, one hundred three".