2000120002120 has 16 divisors (see below), whose sum is σ = 4500270004860. Its totient is φ = 800048000832.

The previous prime is 2000120002103. The next prime is 2000120002187. The reversal of 2000120002120 is 212000210002.

It can be written as a sum of positive squares in 2 ways, for example, as 1699054896484 + 301065105636 = 1303478^2 + 548694^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2000120002097 and 2000120002106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001499987 + ... + 25001500066.

Almost surely, 2^{2000120002120} is an apocalyptic number.

2000120002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000120002120 is an abundant number, since it is smaller than the sum of its proper divisors (2500150002740).

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

2000120002120 is a wasteful number, since it uses less digits than its factorization.

2000120002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50003000064 (or 50003000060 counting only the distinct ones).

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

Adding to 2000120002120 its reverse (212000210002), we get a palindrome (2212120212122).

The spelling of 2000120002120 in words is "two trillion, one hundred twenty million, two thousand, one hundred twenty".