1043222400000 has 1584 divisors, whose sum is σ = 4265802908640. Its totient is φ = 243302400000.

The previous prime is 1043222399983. The next prime is 1043222400029. The reversal of 1043222400000 is 42223401.

1043222400000 is a `hidden beast` number, since 1 + 0 + 43 + 222 + 400 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1584).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 143 ways as a sum of consecutive naturals, for example, 11721599956 + ... + 11721600044.

Almost surely, 2^{1043222400000} is an apocalyptic number.

1043222400000 is a gapful number since it is divisible by the number (10) 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 1043222400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132901454320).

1043222400000 is an abundant number, since it is smaller than the sum of its proper divisors (3222580508640).

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

1043222400000 is an equidigital number, since it uses as much as digits as its factorization.

1043222400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1043222400000 its reverse (42223401), we get a palindrome (1043264623401).

The spelling of 1043222400000 in words is "one trillion, forty-three billion, two hundred twenty-two million, four hundred thousand".