30215203200 has 1728 divisors, whose sum is σ = 142363231920. Its totient is φ = 6270566400.

The previous prime is 30215203159. The next prime is 30215203217. The reversal of 30215203200 is 230251203.

It is a tau number, because it is divible by the number of its divisors (1728).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 495331170 + ... + 495331230.

Almost surely, 2^30215203200 is an apocalyptic number.

30215203200 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 30215203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71181615960).

30215203200 is an abundant number, since it is smaller than the sum of its proper divisors (112148028720).

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

30215203200 is a wasteful number, since it uses less digits than its factorization.

30215203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 30215203200 its reverse (230251203), we get a palindrome (30445454403).

The spelling of 30215203200 in words is "thirty billion, two hundred fifteen million, two hundred three thousand, two hundred".