30012031200 has 288 divisors, whose sum is σ = 103684051296. Its totient is φ = 7514357760.

The previous prime is 30012031199. The next prime is 30012031213. The reversal of 30012031200 is 213021003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27457854 + ... + 27458946.

It is an arithmetic number, because the mean of its divisors is an integer number (360014067).

Almost surely, 2^30012031200 is an apocalyptic number.

30012031200 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 30012031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51842025648).

30012031200 is an abundant number, since it is smaller than the sum of its proper divisors (73672020096).

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

30012031200 is a wasteful number, since it uses less digits than its factorization.

30012031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30012031200 its reverse (213021003), we get a palindrome (30225052203).

The spelling of 30012031200 in words is "thirty billion, twelve million, thirty-one thousand, two hundred".