30240420212 has 24 divisors (see below), whose sum is σ = 54062709120. Its totient is φ = 14794122560.

The previous prime is 30240420179. The next prime is 30240420227. The reversal of 30240420212 is 21202404203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665912 + ... + 709872.

It is an arithmetic number, because the mean of its divisors is an integer number (2252612880).

Almost surely, 2^30240420212 is an apocalyptic number.

It is an amenable number.

30240420212 is a deficient number, since it is larger than the sum of its proper divisors (23822288908).

30240420212 is a wasteful number, since it uses less digits than its factorization.

30240420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47671 (or 47669 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30240420212 its reverse (21202404203), we get a palindrome (51442824415).

The spelling of 30240420212 in words is "thirty billion, two hundred forty million, four hundred twenty thousand, two hundred twelve".