1442301233021 has 12 divisors (see below), whose sum is σ = 1588382319132. Its totient is φ = 1308666216000.

The previous prime is 1442301232991. The next prime is 1442301233053. The reversal of 1442301233021 is 1203321032441.

It can be written as a sum of positive squares in 2 ways, for example, as 999030235225 + 443270997796 = 999515^2 + 665786^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1442301233021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442301236021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11376350 + ... + 11502431.

It is an arithmetic number, because the mean of its divisors is an integer number (132365193261).

Almost surely, 2^{1442301233021} is an apocalyptic number.

1442301233021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442301233021 is a deficient number, since it is larger than the sum of its proper divisors (146081086111).

1442301233021 is a wasteful number, since it uses less digits than its factorization.

1442301233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879324 (or 22879313 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1442301233021 its reverse (1203321032441), we get a palindrome (2645622265462).

The spelling of 1442301233021 in words is "one trillion, four hundred forty-two billion, three hundred one million, two hundred thirty-three thousand, twenty-one".