1012442204321 has 16 divisors (see below), whose sum is σ = 1059871556160. Its totient is φ = 965916705600.

The previous prime is 1012442204297. The next prime is 1012442204329. The reversal of 1012442204321 is 1234022442101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012442204321 is a prime.

It is a super-2 number, since 2×1012442204321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012442204329) 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, 198746 + ... + 1436796.

It is an arithmetic number, because the mean of its divisors is an integer number (66241972260).

Almost surely, 2^{1012442204321} is an apocalyptic number.

It is an amenable number.

1012442204321 is a deficient number, since it is larger than the sum of its proper divisors (47429351839).

1012442204321 is a wasteful number, since it uses less digits than its factorization.

1012442204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238416.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1012442204321 its reverse (1234022442101), we get a palindrome (2246464646422).

The spelling of 1012442204321 in words is "one trillion, twelve billion, four hundred forty-two million, two hundred four thousand, three hundred twenty-one".