3200120199979 has 4 divisors (see below), whose sum is σ = 3206238977176. Its totient is φ = 3194001422784.

The previous prime is 3200120199961. The next prime is 3200120200037. The reversal of 3200120199979 is 9799910210023.

It is a happy number.

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 3200120199979 - 2¹⁷ = 3200120068907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3200120199929) 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, 3059387814 + ... + 3059388859.

It is an arithmetic number, because the mean of its divisors is an integer number (801559744294).

Almost surely, 2^{3200120199979} is an apocalyptic number.

3200120199979 is a deficient number, since it is larger than the sum of its proper divisors (6118777197).

3200120199979 is an equidigital number, since it uses as much as digits as its factorization.

3200120199979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118777196.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 3200120199979 in words is "three trillion, two hundred billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred seventy-nine".