120812100000 has 288 divisors, whose sum is σ = 413647274880. Its totient is φ = 30814080000.

The previous prime is 120812099951. The next prime is 120812100037. The reversal of 120812100000 is 1218021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6891246 + ... + 6908754.

It is an arithmetic number, because the mean of its divisors is an integer number (1436275260).

Almost surely, 2^120812100000 is an apocalyptic number.

120812100000 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 120812100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206823637440).

120812100000 is an abundant number, since it is smaller than the sum of its proper divisors (292835174880).

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

120812100000 is an equidigital number, since it uses as much as digits as its factorization.

120812100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570 (or 17542 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120812100000 its reverse (1218021), we get a palindrome (120813318021).

The spelling of 120812100000 in words is "one hundred twenty billion, eight hundred twelve million, one hundred thousand".