1221134000324 has 12 divisors (see below), whose sum is σ = 2442268000704. Its totient is φ = 523343142984.

The previous prime is 1221134000287. The next prime is 1221134000341. The reversal of 1221134000324 is 4230004311221.

1221134000324 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1221134000324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21805964264 + ... + 21805964319.

It is an arithmetic number, because the mean of its divisors is an integer number (203522333392).

Almost surely, 2^{1221134000324} is an apocalyptic number.

1221134000324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1221134000324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1221134000324 is a wasteful number, since it uses less digits than its factorization.

1221134000324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43611928594 (or 43611928592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1221134000324 its reverse (4230004311221), we get a palindrome (5451138311545).

The spelling of 1221134000324 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-four million, three hundred twenty-four", and thus it is an aban number.