32121140443 has 4 divisors (see below), whose sum is σ = 36709874800. Its totient is φ = 27532406088.

The previous prime is 32121140437. The next prime is 32121140449. The reversal of 32121140443 is 34404112123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34404112123 = 53 ⋅649134191.

It is an interprime number because it is at equal distance from previous prime (32121140437) and next prime (32121140449).

It is a cyclic number.

It is not a de Polignac number, because 32121140443 - 2²¹ = 32119043291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121140449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294367168 + ... + 2294367181.

It is an arithmetic number, because the mean of its divisors is an integer number (9177468700).

Almost surely, 2^32121140443 is an apocalyptic number.

32121140443 is a deficient number, since it is larger than the sum of its proper divisors (4588734357).

32121140443 is an equidigital number, since it uses as much as digits as its factorization.

32121140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588734356.

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

Adding to 32121140443 its reverse (34404112123), we get a palindrome (66525252566).

The spelling of 32121140443 in words is "thirty-two billion, one hundred twenty-one million, one hundred forty thousand, four hundred forty-three".