1221023230300 has 36 divisors (see below), whose sum is σ = 2805480437760. Its totient is φ = 459679333120.

The previous prime is 1221023230291. The next prime is 1221023230337. The reversal of 1221023230300 is 30323201221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359122780 + ... + 359126179.

It is an arithmetic number, because the mean of its divisors is an integer number (77930012160).

Almost surely, 2^{1221023230300} is an apocalyptic number.

1221023230300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1221023230300 is an abundant number, since it is smaller than the sum of its proper divisors (1584457207460).

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

1221023230300 is a wasteful number, since it uses less digits than its factorization.

1221023230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718248990 (or 718248983 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1221023230300 its reverse (30323201221), we get a palindrome (1251346431521).

The spelling of 1221023230300 in words is "one trillion, two hundred twenty-one billion, twenty-three million, two hundred thirty thousand, three hundred".