30212420242 has 8 divisors (see below), whose sum is σ = 45348235632. Its totient is φ = 15096341700.

The previous prime is 30212420171. The next prime is 30212420243. The reversal of 30212420242 is 24202421203.

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

It is a super-2 number, since 2×30212420242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30212420243) 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, 4930384 + ... + 4936507.

It is an arithmetic number, because the mean of its divisors is an integer number (5668529454).

Almost surely, 2^30212420242 is an apocalyptic number.

30212420242 is a deficient number, since it is larger than the sum of its proper divisors (15135815390).

30212420242 is a wasteful number, since it uses less digits than its factorization.

30212420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868424.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30212420242 its reverse (24202421203), we get a palindrome (54414841445).

The spelling of 30212420242 in words is "thirty billion, two hundred twelve million, four hundred twenty thousand, two hundred forty-two".