3200120329987 has 12 divisors (see below), whose sum is σ = 3735742996056. Its totient is φ = 2733267831840.

The previous prime is 3200120329981. The next prime is 3200120330021. The reversal of 3200120329987 is 7899230210023.

It is not a de Polignac number, because 3200120329987 - 2¹⁹ = 3200119805699 is a prime.

It is a super-2 number, since 2×3200120329987² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3200120329981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115372314 + ... + 115400047.

It is an arithmetic number, because the mean of its divisors is an integer number (311311916338).

Almost surely, 2^{3200120329987} is an apocalyptic number.

3200120329987 is a deficient number, since it is larger than the sum of its proper divisors (535622666069).

3200120329987 is a wasteful number, since it uses less digits than its factorization.

3200120329987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230772658 (or 230772651 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 3200120329987 in words is "three trillion, two hundred billion, one hundred twenty million, three hundred twenty-nine thousand, nine hundred eighty-seven".