120012120000 has 210 divisors, whose sum is σ = 429855033608. Its totient is φ = 32003136000.

The previous prime is 120012119987. The next prime is 120012120001. The reversal of 120012120000 is 21210021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012120001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 193317 + ... + 526683.

Almost surely, 2^120012120000 is an apocalyptic number.

120012120000 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 120012120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214927516804).

120012120000 is an abundant number, since it is smaller than the sum of its proper divisors (309842913608).

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

120012120000 is an equidigital number, since it uses as much as digits as its factorization.

120012120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333405 (or 333377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120012120000 its reverse (21210021), we get a palindrome (120033330021).

The spelling of 120012120000 in words is "one hundred twenty billion, twelve million, one hundred twenty thousand".