300120001200 has 150 divisors (see below), whose sum is σ = 1077106716884. Its totient is φ = 80031991680.

The previous prime is 300120001193. The next prime is 300120001213. The reversal of 300120001200 is 2100021003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4599082 + ... + 4663881.

Almost surely, 2^300120001200 is an apocalyptic number.

300120001200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300120001200 is an abundant number, since it is smaller than the sum of its proper divisors (776986715684).

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

300120001200 is a wasteful number, since it uses less digits than its factorization.

300120001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262993 (or 9262973 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 300120001200 its reverse (2100021003), we get a palindrome (302220022203).

The spelling of 300120001200 in words is "three hundred billion, one hundred twenty million, one thousand, two hundred".