212030403 has 16 divisors (see below), whose sum is σ = 304980480. Its totient is φ = 130254624.

The previous prime is 212030363. The next prime is 212030417. The reversal of 212030403 is 304030212.

212030403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212030403 - 2¹⁸ = 211768259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212030303) 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, 19750 + ... + 28532.

It is an arithmetic number, because the mean of its divisors is an integer number (19061280).

Almost surely, 2^212030403 is an apocalyptic number.

212030403 is a deficient number, since it is larger than the sum of its proper divisors (92950077).

212030403 is a wasteful number, since it uses less digits than its factorization.

212030403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212030403 is about 14561.2637844385. The cubic root of 212030403 is about 596.3016983332.

Adding to 212030403 its reverse (304030212), we get a palindrome (516060615).

It can be divided in two parts, 2120 and 30403, that added together give a palindrome (32523).

The spelling of 212030403 in words is "two hundred twelve million, thirty thousand, four hundred three".