39032220312121 has 4 divisors (see below), whose sum is σ = 39032233039332. Its totient is φ = 39032207584912.

The previous prime is 39032220312097. The next prime is 39032220312199. The reversal of 39032220312121 is 12121302223093.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25504065524025 + 13528154788096 = 5050155^2 + 3678064^2 .

It is a cyclic number.

It is not a de Polignac number, because 39032220312121 - 2¹¹ = 39032220310073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39032220310121) 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, 1367331 + ... + 8940583.

It is an arithmetic number, because the mean of its divisors is an integer number (9758058259833).

Almost surely, 2^{39032220312121} is an apocalyptic number.

It is an amenable number.

39032220312121 is a deficient number, since it is larger than the sum of its proper divisors (12727211).

39032220312121 is an equidigital number, since it uses as much as digits as its factorization.

39032220312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727210.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 39032220312121 in words is "thirty-nine trillion, thirty-two billion, two hundred twenty million, three hundred twelve thousand, one hundred twenty-one".