1122400344382 has 32 divisors (see below), whose sum is σ = 1774412236800. Its totient is φ = 531787148640.

The previous prime is 1122400344367. The next prime is 1122400344383. The reversal of 1122400344382 is 2834430042211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122400344383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115257 + ... + 1502692.

It is an arithmetic number, because the mean of its divisors is an integer number (55450382400).

Almost surely, 2^{1122400344382} is an apocalyptic number.

1122400344382 is a deficient number, since it is larger than the sum of its proper divisors (652011892418).

1122400344382 is a wasteful number, since it uses less digits than its factorization.

1122400344382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618216.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 1122400344382 its reverse (2834430042211), we get a palindrome (3956830386593).

The spelling of 1122400344382 in words is "one trillion, one hundred twenty-two billion, four hundred million, three hundred forty-four thousand, three hundred eighty-two".