8100600120 has 96 divisors (see below), whose sum is σ = 26355859920. Its totient is φ = 2157788160.

The previous prime is 8100600119. The next prime is 8100600139. The reversal of 8100600120 is 210060018.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 8100600093 and 8100600102.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 329040 + ... + 352800.

Almost surely, 2^8100600120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8100600120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13177929960).

8100600120 is an abundant number, since it is smaller than the sum of its proper divisors (18255259800).

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

8100600120 is a wasteful number, since it uses less digits than its factorization.

8100600120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24725 (or 24718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 8100600120 is about 90003.3339382492. Note that the first 3 decimals coincide. The cubic root of 8100600120 is about 2008.3484465651.

Adding to 8100600120 its reverse (210060018), we get a palindrome (8310660138).

The spelling of 8100600120 in words is "eight billion, one hundred million, six hundred thousand, one hundred twenty".