30212134 has 8 divisors (see below), whose sum is σ = 45622800. Its totient is φ = 15004536.

The previous prime is 30212131. The next prime is 30212153. The reversal of 30212134 is 43121203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212131) 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, 50394 + ... + 50989.

It is an arithmetic number, because the mean of its divisors is an integer number (5702850).

Almost surely, 2^30212134 is an apocalyptic number.

30212134 is a deficient number, since it is larger than the sum of its proper divisors (15410666).

30212134 is a wasteful number, since it uses less digits than its factorization.

30212134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101534.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30212134 is about 5496.5565584282. The cubic root of 30212134 is about 311.4539195844.

Adding to 30212134 its reverse (43121203), we get a palindrome (73333337).

The spelling of 30212134 in words is "thirty million, two hundred twelve thousand, one hundred thirty-four".