120015100000 has 144 divisors (see below), whose sum is σ = 296451150912. Its totient is φ = 47824000000.

The previous prime is 120015099979. The next prime is 120015100087. The reversal of 120015100000 is 1510021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 120015100000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28097865 + ... + 28102135.

It is an arithmetic number, because the mean of its divisors is an integer number (2058688548).

Almost surely, 2^120015100000 is an apocalyptic number.

120015100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120015100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148225575456).

120015100000 is an abundant number, since it is smaller than the sum of its proper divisors (176436050912).

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

120015100000 is an frugal number, since it uses more digits than its factorization.

120015100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4559 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

Adding to 120015100000 its reverse (1510021), we get a palindrome (120016610021).

The spelling of 120015100000 in words is "one hundred twenty billion, fifteen million, one hundred thousand".