30012332400 has 180 divisors, whose sum is σ = 105917153160. Its totient is φ = 7867584000.

The previous prime is 30012332381. The next prime is 30012332401. The reversal of 30012332400 is 423321003.

30012332400 is a `hidden beast` number, since 30 + 0 + 1 + 233 + 2 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012332401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141750 + ... + 283050.

Almost surely, 2^30012332400 is an apocalyptic number.

30012332400 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 30012332400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52958576580).

30012332400 is an abundant number, since it is smaller than the sum of its proper divisors (75904820760).

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

30012332400 is a wasteful number, since it uses less digits than its factorization.

30012332400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141384 (or 141370 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30012332400 its reverse (423321003), we get a palindrome (30435653403).

The spelling of 30012332400 in words is "thirty billion, twelve million, three hundred thirty-two thousand, four hundred".