1213021324300 has 36 divisors (see below), whose sum is σ = 2636167647736. Its totient is φ = 484487539200.

The previous prime is 1213021324279. The next prime is 1213021324331. The reversal of 1213021324300 is 34231203121.

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, 8944746 + ... + 9079345.

Almost surely, 2^{1213021324300} is an apocalyptic number.

1213021324300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213021324300 is an abundant number, since it is smaller than the sum of its proper divisors (1423146323436).

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

1213021324300 is a wasteful number, since it uses less digits than its factorization.

1213021324300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024778 (or 18024771 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1213021324300 its reverse (34231203121), we get a palindrome (1247252527421).

The spelling of 1213021324300 in words is "one trillion, two hundred thirteen billion, twenty-one million, three hundred twenty-four thousand, three hundred".