120000120000 has 280 divisors, whose sum is σ = 400717066992. Its totient is φ = 31680000000.

The previous prime is 120000119933. The next prime is 120000120007. The reversal of 120000120000 is 21000021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (120000120007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12115050 + ... + 12124950.

Almost surely, 2^120000120000 is an apocalyptic number.

120000120000 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 120000120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200358533496).

120000120000 is an abundant number, since it is smaller than the sum of its proper divisors (280716946992).

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

120000120000 is an equidigital number, since it uses as much as digits as its factorization.

120000120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037 (or 10012 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 120000120000 its reverse (21000021), we get a palindrome (120021120021).

The spelling of 120000120000 in words is "one hundred twenty billion, one hundred twenty thousand".