9212120030300 has 72 divisors (see below), whose sum is σ = 21847911717072. Its totient is φ = 3343669632000.

The previous prime is 9212120030279. The next prime is 9212120030303. The reversal of 9212120030300 is 30300212129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212120030303) by changing a digit.

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, 7144877 + ... + 8335076.

Almost surely, 2^{9212120030300} is an apocalyptic number.

It is an amenable number.

9212120030300 is an abundant number, since it is smaller than the sum of its proper divisors (12635791686772).

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

9212120030300 is a wasteful number, since it uses less digits than its factorization.

9212120030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480519 (or 15480512 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 9212120030300 its reverse (30300212129), we get a palindrome (9242420242429).

The spelling of 9212120030300 in words is "nine trillion, two hundred twelve billion, one hundred twenty million, thirty thousand, three hundred".