30378999124 has 12 divisors (see below), whose sum is σ = 53165416500. Its totient is φ = 15188880128.

The previous prime is 30378999083. The next prime is 30378999151. The reversal of 30378999124 is 42199987303.

It can be written as a sum of positive squares in 2 ways, for example, as 5314410000 + 25064589124 = 72900^2 + 158318^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34039 + ... + 248830.

It is an arithmetic number, because the mean of its divisors is an integer number (4430451375).

Almost surely, 2^30378999124 is an apocalyptic number.

It is an amenable number.

30378999124 is a deficient number, since it is larger than the sum of its proper divisors (22786417376).

30378999124 is a wasteful number, since it uses less digits than its factorization.

30378999124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309722 (or 309720 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 30378999124 in words is "thirty billion, three hundred seventy-eight million, nine hundred ninety-nine thousand, one hundred twenty-four".