212003103 has 16 divisors (see below), whose sum is σ = 307558496. Its totient is φ = 129116160.

The previous prime is 212003101. The next prime is 212003111. The reversal of 212003103 is 301300212.

It is a happy number.

It is not a de Polignac number, because 212003103 - 2¹ = 212003101 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 (212003101) 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, 24238 + ... + 31803.

It is an arithmetic number, because the mean of its divisors is an integer number (19222406).

Almost surely, 2^212003103 is an apocalyptic number.

212003103 is a deficient number, since it is larger than the sum of its proper divisors (95555393).

212003103 is a wasteful number, since it uses less digits than its factorization.

212003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56154.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 212003103 is about 14560.3263356286. The cubic root of 212003103 is about 596.2761049358.

Adding to 212003103 its reverse (301300212), we get a palindrome (513303315).

The spelling of 212003103 in words is "two hundred twelve million, three thousand, one hundred three".