30140342012 has 12 divisors (see below), whose sum is σ = 57540653016. Its totient is φ = 13700155440.

The previous prime is 30140341993. The next prime is 30140342077. The reversal of 30140342012 is 21024304103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342503843 + ... + 342503930.

It is an arithmetic number, because the mean of its divisors is an integer number (4795054418).

Almost surely, 2^30140342012 is an apocalyptic number.

It is an amenable number.

30140342012 is a deficient number, since it is larger than the sum of its proper divisors (27400311004).

30140342012 is a wasteful number, since it uses less digits than its factorization.

30140342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685007788 (or 685007786 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30140342012 its reverse (21024304103), we get a palindrome (51164646115).

The spelling of 30140342012 in words is "thirty billion, one hundred forty million, three hundred forty-two thousand, twelve".