30124902720 has 224 divisors, whose sum is σ = 107163144576. Its totient is φ = 7105536000.

The previous prime is 30124902707. The next prime is 30124902791. The reversal of 30124902720 is 2720942103.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 352170 + ... + 429270.

Almost surely, 2^30124902720 is an apocalyptic number.

30124902720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30124902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53581572288).

30124902720 is an abundant number, since it is smaller than the sum of its proper divisors (77038241856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30124902720 is a wasteful number, since it uses less digits than its factorization.

30124902720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77169 (or 77159 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 30124902720 in words is "thirty billion, one hundred twenty-four million, nine hundred two thousand, seven hundred twenty".