120012002020000 has 60 divisors (see below), whose sum is σ = 295247526818706. Its totient is φ = 48004800800000.

The previous prime is 120012002019953. The next prime is 120012002020003. The reversal of 120012002020000 is 20200210021.

It can be written as a sum of positive squares in 5 ways, for example, as 2962019986704 + 117049982033296 = 1721052^2 + 10818964^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120012002020003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3000280051 + ... + 3000320050.

Almost surely, 2^{120012002020000} is an apocalyptic number.

120012002020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012002020000 is an abundant number, since it is smaller than the sum of its proper divisors (175235524798706).

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

120012002020000 is an frugal number, since it uses more digits than its factorization.

120012002020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000600131 (or 6000600108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120012002020000 its reverse (20200210021), we get a palindrome (120032202230021).

The spelling of 120012002020000 in words is "one hundred twenty trillion, twelve billion, two million, twenty thousand".