212040003 has 24 divisors (see below), whose sum is σ = 329428992. Its totient is φ = 120963024.

The previous prime is 212040001. The next prime is 212040043. The reversal of 212040003 is 300040212.

212040003 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 212040003 - 2¹ = 212040001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212040001) 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, 159126 + ... + 160452.

It is an arithmetic number, because the mean of its divisors is an integer number (13726208).

Almost surely, 2^212040003 is an apocalyptic number.

212040003 is a deficient number, since it is larger than the sum of its proper divisors (117388989).

212040003 is a wasteful number, since it uses less digits than its factorization.

212040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 212040003 is about 14561.5934224246. The cubic root of 212040003 is about 596.3106976871.

Adding to 212040003 its reverse (300040212), we get a palindrome (512080215).

The spelling of 212040003 in words is "two hundred twelve million, forty thousand, three".