32013121099 has 4 divisors (see below), whose sum is σ = 32418350560. Its totient is φ = 31607891640.

The previous prime is 32013121097. The next prime is 32013121111. The reversal of 32013121099 is 99012131023.

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

It is a cyclic number.

It is not a de Polignac number, because 32013121099 - 2¹ = 32013121097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32013121099.

It is not an unprimeable number, because it can be changed into a prime (32013121097) 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, 202614612 + ... + 202614769.

It is an arithmetic number, because the mean of its divisors is an integer number (8104587640).

Almost surely, 2^32013121099 is an apocalyptic number.

32013121099 is a deficient number, since it is larger than the sum of its proper divisors (405229461).

32013121099 is an equidigital number, since it uses as much as digits as its factorization.

32013121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405229460.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 32013121099 in words is "thirty-two billion, thirteen million, one hundred twenty-one thousand, ninety-nine".