32130433440121 has 4 divisors (see below), whose sum is σ = 32142276580852. Its totient is φ = 32118590299392.

The previous prime is 32130433440113. The next prime is 32130433440137. The reversal of 32130433440121 is 12104433403123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25884487782400 + 6245945657721 = 5087680^2 + 2499189^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130433440121 - 2³ = 32130433440113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32130433440421) 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, 5921566296 + ... + 5921571721.

It is an arithmetic number, because the mean of its divisors is an integer number (8035569145213).

Almost surely, 2^{32130433440121} is an apocalyptic number.

It is an amenable number.

32130433440121 is a deficient number, since it is larger than the sum of its proper divisors (11843140731).

32130433440121 is a wasteful number, since it uses less digits than its factorization.

32130433440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843140730.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 32130433440121 its reverse (12104433403123), we get a palindrome (44234866843244).

The spelling of 32130433440121 in words is "thirty-two trillion, one hundred thirty billion, four hundred thirty-three million, four hundred forty thousand, one hundred twenty-one".