30051211200 has 168 divisors, whose sum is σ = 102880046208. Its totient is φ = 7665208320.

The previous prime is 30051211163. The next prime is 30051211261. The reversal of 30051211200 is 211215003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30051211200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25702 + ... + 246501.

Almost surely, 2^30051211200 is an apocalyptic number.

30051211200 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 30051211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51440023104).

30051211200 is an abundant number, since it is smaller than the sum of its proper divisors (72828835008).

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

30051211200 is a wasteful number, since it uses less digits than its factorization.

30051211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272251 (or 272236 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 30051211200 its reverse (211215003), we get a palindrome (30262426203).

The spelling of 30051211200 in words is "thirty billion, fifty-one million, two hundred eleven thousand, two hundred".