30125722138 has 8 divisors (see below), whose sum is σ = 47153304288. Its totient is φ = 14407954044.

The previous prime is 30125722111. The next prime is 30125722141. The reversal of 30125722138 is 83122752103.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 327453456 + ... + 327453547.

It is an arithmetic number, because the mean of its divisors is an integer number (5894163036).

Almost surely, 2^30125722138 is an apocalyptic number.

30125722138 is a deficient number, since it is larger than the sum of its proper divisors (17027582150).

30125722138 is a wasteful number, since it uses less digits than its factorization.

30125722138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654907028.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 30125722138 in words is "thirty billion, one hundred twenty-five million, seven hundred twenty-two thousand, one hundred thirty-eight".