120200101989 has 32 divisors (see below), whose sum is σ = 175648711680. Its totient is φ = 72510566400.

The previous prime is 120200101873. The next prime is 120200101997. The reversal of 120200101989 is 989101002021.

It is not a de Polignac number, because 120200101989 - 2⁸ = 120200101733 is a prime.

It is a super-2 number, since 2×120200101989² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200100989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13217334 + ... + 13226424.

It is an arithmetic number, because the mean of its divisors is an integer number (5489022240).

Almost surely, 2^120200101989 is an apocalyptic number.

It is an amenable number.

120200101989 is a deficient number, since it is larger than the sum of its proper divisors (55448609691).

120200101989 is a wasteful number, since it uses less digits than its factorization.

120200101989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 120200101989 in words is "one hundred twenty billion, two hundred million, one hundred one thousand, nine hundred eighty-nine".