1042320021201 has 24 divisors (see below), whose sum is σ = 1524727226880. Its totient is φ = 686040878016.

The previous prime is 1042320021143. The next prime is 1042320021241. The reversal of 1042320021201 is 1021200232401.

It is a happy number.

1042320021201 is a `hidden beast` number, since 1 + 0 + 423 + 20 + 0 + 21 + 201 = 666.

It is not a de Polignac number, because 1042320021201 - 2⁶ = 1042320021137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042320021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14463480 + ... + 14535366.

It is an arithmetic number, because the mean of its divisors is an integer number (63530301120).

Almost surely, 2^{1042320021201} is an apocalyptic number.

It is an amenable number.

1042320021201 is a deficient number, since it is larger than the sum of its proper divisors (482407205679).

1042320021201 is a wasteful number, since it uses less digits than its factorization.

1042320021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92365 (or 92362 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1042320021201 its reverse (1021200232401), we get a palindrome (2063520253602).

It can be divided in two parts, 10423200 and 21201, that added together give a palindrome (10444401).

The spelling of 1042320021201 in words is "one trillion, forty-two billion, three hundred twenty million, twenty-one thousand, two hundred one".