1224300450912 has 576 divisors, whose sum is σ = 4333207415040. Its totient is φ = 298722816000.

The previous prime is 1224300450899. The next prime is 1224300451001. The reversal of 1224300450912 is 2190540034221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55510287 + ... + 55532337.

It is an arithmetic number, because the mean of its divisors is an integer number (7522929540).

Almost surely, 2^{1224300450912} is an apocalyptic number.

1224300450912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224300450912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166603707520).

1224300450912 is an abundant number, since it is smaller than the sum of its proper divisors (3108906964128).

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

1224300450912 is a wasteful number, since it uses less digits than its factorization.

1224300450912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155 (or 22140 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1224300450912 in words is "one trillion, two hundred twenty-four billion, three hundred million, four hundred fifty thousand, nine hundred twelve".