121204120300 has 36 divisors (see below), whose sum is σ = 263111191056. Its totient is φ = 48463537600.

The previous prime is 121204120273. The next prime is 121204120343. The reversal of 121204120300 is 3021402121.

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 11 ways as a sum of consecutive naturals, for example, 44265 + ... + 494335.

It is an arithmetic number, because the mean of its divisors is an integer number (7308644196).

Almost surely, 2^121204120300 is an apocalyptic number.

121204120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121204120300 is an abundant number, since it is smaller than the sum of its proper divisors (141907070756).

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

121204120300 is a wasteful number, since it uses less digits than its factorization.

121204120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452778 (or 452771 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121204120300 its reverse (3021402121), we get a palindrome (124225522421).

The spelling of 121204120300 in words is "one hundred twenty-one billion, two hundred four million, one hundred twenty thousand, three hundred".