30456442012 has 12 divisors (see below), whose sum is σ = 54049460976. Its totient is φ = 15013738880.

The previous prime is 30456441947. The next prime is 30456442019. The reversal of 30456442012 is 21024465403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30456442019) 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, 53620213 + ... + 53620780.

It is an arithmetic number, because the mean of its divisors is an integer number (4504121748).

Almost surely, 2^30456442012 is an apocalyptic number.

It is an amenable number.

30456442012 is a deficient number, since it is larger than the sum of its proper divisors (23593018964).

30456442012 is a wasteful number, since it uses less digits than its factorization.

30456442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107241068 (or 107241066 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 30456442012 in words is "thirty billion, four hundred fifty-six million, four hundred forty-two thousand, twelve".