212303012103 has 24 divisors (see below), whose sum is σ = 377427578528. Its totient is φ = 111984005952.

The previous prime is 212303012101. The next prime is 212303012107. The reversal of 212303012103 is 301210303212.

It is not a de Polignac number, because 212303012103 - 2¹ = 212303012101 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303012101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129610300 + ... + 129611937.

Almost surely, 2^212303012103 is an apocalyptic number.

212303012103 is a deficient number, since it is larger than the sum of its proper divisors (165124566425).

212303012103 is a wasteful number, since it uses less digits than its factorization.

212303012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259222263 (or 259222260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212303012103 its reverse (301210303212), we get a palindrome (513513315315).

The spelling of 212303012103 in words is "two hundred twelve billion, three hundred three million, twelve thousand, one hundred three".