30105252124 has 12 divisors (see below), whose sum is σ = 52719489144. Its totient is φ = 15042540944.

The previous prime is 30105252109. The next prime is 30105252143. The reversal of 30105252124 is 42125250103.

It is a super-2 number, since 2×30105252124² (a number of 22 digits) contains 22 as substring.

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, 2514562 + ... + 2526505.

It is an arithmetic number, because the mean of its divisors is an integer number (4393290762).

Almost surely, 2^30105252124 is an apocalyptic number.

It is an amenable number.

30105252124 is a deficient number, since it is larger than the sum of its proper divisors (22614237020).

30105252124 is a wasteful number, since it uses less digits than its factorization.

30105252124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042564 (or 5042562 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 30105252124 in words is "thirty billion, one hundred five million, two hundred fifty-two thousand, one hundred twenty-four".