30352403021200 has 120 divisors (see below), whose sum is σ = 78669029313000. Its totient is φ = 11187343994880.

The previous prime is 30352403021189. The next prime is 30352403021209. The reversal of 30352403021200 is 212030425303.

It can be written as a sum of positive squares in 12 ways, for example, as 10682255530384 + 19670147490816 = 3268372^2 + 4435104^2 .

It is a super-2 number, since 2×30352403021200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30352403021209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2170375 + ... + 8087974.

It is an arithmetic number, because the mean of its divisors is an integer number (655575244275).

Almost surely, 2^{30352403021200} is an apocalyptic number.

It is an amenable number.

30352403021200 is an abundant number, since it is smaller than the sum of its proper divisors (48316626291800).

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

30352403021200 is a wasteful number, since it uses less digits than its factorization.

30352403021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258949 (or 10258938 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30352403021200 its reverse (212030425303), we get a palindrome (30564433446503).

The spelling of 30352403021200 in words is "thirty trillion, three hundred fifty-two billion, four hundred three million, twenty-one thousand, two hundred".