3960987138120 has 32 divisors (see below), whose sum is σ = 11882961414720. Its totient is φ = 1056263236800.

The previous prime is 3960987138091. The next prime is 3960987138127. The reversal of 3960987138120 is 218317890693.

3960987138120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3960987138127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16504112956 + ... + 16504113195.

It is an arithmetic number, because the mean of its divisors is an integer number (371342544210).

Almost surely, 2^{3960987138120} is an apocalyptic number.

3960987138120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3960987138120 is an abundant number, since it is smaller than the sum of its proper divisors (7921974276600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3960987138120 is a wasteful number, since it uses less digits than its factorization.

3960987138120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008226165 (or 33008226161 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 3960987138120 in words is "three trillion, nine hundred sixty billion, nine hundred eighty-seven million, one hundred thirty-eight thousand, one hundred twenty".