30240113212 has 6 divisors (see below), whose sum is σ = 52920198128. Its totient is φ = 15120056604.

The previous prime is 30240113207. The next prime is 30240113219. The reversal of 30240113212 is 21231104203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30240113212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240113219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780014148 + ... + 3780014155.

Almost surely, 2^30240113212 is an apocalyptic number.

It is an amenable number.

30240113212 is a deficient number, since it is larger than the sum of its proper divisors (22680084916).

30240113212 is a wasteful number, since it uses less digits than its factorization.

30240113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560028307 (or 7560028305 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30240113212 its reverse (21231104203), we get a palindrome (51471217415).

Subtracting from 30240113212 its reverse (21231104203), we obtain a palindrome (9009009009).

The spelling of 30240113212 in words is "thirty billion, two hundred forty million, one hundred thirteen thousand, two hundred twelve".