212041003 has 4 divisors (see below), whose sum is σ = 215027568. Its totient is φ = 209054440.

The previous prime is 212040989. The next prime is 212041021. The reversal of 212041003 is 300140212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212041003 is a prime.

It is a super-2 number, since 2×212041003² = 89922773906492018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212041603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493176 + ... + 1493317.

It is an arithmetic number, because the mean of its divisors is an integer number (53756892).

Almost surely, 2^212041003 is an apocalyptic number.

212041003 is a deficient number, since it is larger than the sum of its proper divisors (2986565).

212041003 is an equidigital number, since it uses as much as digits as its factorization.

212041003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986564.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212041003 is about 14561.6277592857. The cubic root of 212041003 is about 596.3116351042.

Adding to 212041003 its reverse (300140212), we get a palindrome (512181215).

The spelling of 212041003 in words is "two hundred twelve million, forty-one thousand, three".