2120002000120 has 32 divisors (see below), whose sum is σ = 4799268346320. Its totient is φ = 842798338560.

The previous prime is 2120002000093. The next prime is 2120002000183. The reversal of 2120002000120 is 210002000212.

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 = 2120002000097 and 2120002000106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162570321 + ... + 162583360.

Almost surely, 2^{2120002000120} is an apocalyptic number.

2120002000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120002000120 is an abundant number, since it is smaller than the sum of its proper divisors (2679266346200).

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

2120002000120 is a wasteful number, since it uses less digits than its factorization.

2120002000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325153855 (or 325153851 counting only the distinct ones).

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

Adding to 2120002000120 its reverse (210002000212), we get a palindrome (2330004000332).

The spelling of 2120002000120 in words is "two trillion, one hundred twenty billion, two million, one hundred twenty", and thus it is an aban number.