120205116136 has 16 divisors (see below), whose sum is σ = 257582391840. Its totient is φ = 51516478320.

The previous prime is 120205116049. The next prime is 120205116139. The reversal of 120205116136 is 631611502021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (120205116139) 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 3 ways as a sum of consecutive naturals, for example, 1073259910 + ... + 1073260021.

It is an arithmetic number, because the mean of its divisors is an integer number (16098899490).

Almost surely, 2^120205116136 is an apocalyptic number.

It is an amenable number.

120205116136 is an abundant number, since it is smaller than the sum of its proper divisors (137377275704).

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

120205116136 is a wasteful number, since it uses less digits than its factorization.

120205116136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146519944 (or 2146519940 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 120205116136 its reverse (631611502021), we get a palindrome (751816618157).

The spelling of 120205116136 in words is "one hundred twenty billion, two hundred five million, one hundred sixteen thousand, one hundred thirty-six".