32347132121 has 4 divisors (see below), whose sum is σ = 33462550500. Its totient is φ = 31231713744.

The previous prime is 32347132099. The next prime is 32347132157. The reversal of 32347132121 is 12123174323.

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 7698132121 + 24649000000 = 87739^2 + 157000^2 .

It is a cyclic number.

It is not a de Polignac number, because 32347132121 - 2¹⁴ = 32347115737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1115418349 = 32347132121 / (3 + 2 + 3 + 4 + 7 + 1 + 3 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32347132171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557709146 + ... + 557709203.

It is an arithmetic number, because the mean of its divisors is an integer number (8365637625).

Almost surely, 2^32347132121 is an apocalyptic number.

It is an amenable number.

32347132121 is a deficient number, since it is larger than the sum of its proper divisors (1115418379).

32347132121 is a wasteful number, since it uses less digits than its factorization.

32347132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115418378.

The product of its digits is 6048, while the sum is 29.

The spelling of 32347132121 in words is "thirty-two billion, three hundred forty-seven million, one hundred thirty-two thousand, one hundred twenty-one".