1142432230021 has 8 divisors (see below), whose sum is σ = 1144158279264. Its totient is φ = 1140707269680.

The previous prime is 1142432230013. The next prime is 1142432230067. The reversal of 1142432230021 is 1200322342411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142432230021 - 2³ = 1142432230013 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 (1142432230081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840030 + ... + 2381296.

It is an arithmetic number, because the mean of its divisors is an integer number (143019784908).

Almost surely, 2^{1142432230021} is an apocalyptic number.

It is an amenable number.

1142432230021 is a deficient number, since it is larger than the sum of its proper divisors (1726049243).

1142432230021 is an equidigital number, since it uses as much as digits as its factorization.

1142432230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544451.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1142432230021 its reverse (1200322342411), we get a palindrome (2342754572432).

The spelling of 1142432230021 in words is "one trillion, one hundred forty-two billion, four hundred thirty-two million, two hundred thirty thousand, twenty-one".