30686003712 has 800 divisors, whose sum is σ = 115789588992. Its totient is φ = 7875035136.

The previous prime is 30686003707. The next prime is 30686003723. The reversal of 30686003712 is 21730068603.

It is a happy number.

30686003712 is a `hidden beast` number, since 3 + 0 + 6 + 8 + 600 + 37 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 177375658 + ... + 177375830.

Almost surely, 2^30686003712 is an apocalyptic number.

30686003712 is a gapful number since it is divisible by the number (32) 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 30686003712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57894794496).

30686003712 is an abundant number, since it is smaller than the sum of its proper divisors (85103585280).

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

30686003712 is a wasteful number, since it uses less digits than its factorization.

30686003712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 30686003712 in words is "thirty billion, six hundred eighty-six million, three thousand, seven hundred twelve".