30212103 has 4 divisors (see below), whose sum is σ = 40282808. Its totient is φ = 20141400.

The previous prime is 30212093. The next prime is 30212129. The reversal of 30212103 is 30121203.

It is a happy number.

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

It is not a de Polignac number, because 30212103 - 2⁸ = 30211847 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 (30212153) 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, 5035348 + ... + 5035353.

It is an arithmetic number, because the mean of its divisors is an integer number (10070702).

Almost surely, 2^30212103 is an apocalyptic number.

30212103 is a deficient number, since it is larger than the sum of its proper divisors (10070705).

30212103 is a wasteful number, since it uses less digits than its factorization.

30212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070704.

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

The square root of 30212103 is about 5496.5537384801. The cubic root of 30212103 is about 311.4538130590.

Adding to 30212103 its reverse (30121203), we get a palindrome (60333306).

The spelling of 30212103 in words is "thirty million, two hundred twelve thousand, one hundred three".