30242120012 has 24 divisors (see below), whose sum is σ = 60347399616. Its totient is φ = 13136848128.

The previous prime is 30242119987. The next prime is 30242120021. The reversal of 30242120012 is 21002124203.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17104388 + ... + 17106155.

It is an arithmetic number, because the mean of its divisors is an integer number (2514474984).

Almost surely, 2^30242120012 is an apocalyptic number.

It is an amenable number.

30242120012 is a deficient number, since it is larger than the sum of its proper divisors (30105279604).

30242120012 is a wasteful number, since it uses less digits than its factorization.

30242120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210577 (or 34210575 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30242120012 its reverse (21002124203), we get a palindrome (51244244215).

The spelling of 30242120012 in words is "thirty billion, two hundred forty-two million, one hundred twenty thousand, twelve".