2130012120 has 32 divisors (see below), whose sum is σ = 6390036720. Its totient is φ = 568003200.

The previous prime is 2130012107. The next prime is 2130012121. The reversal of 2130012120 is 212100312.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2130012096 and 2130012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130012121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8874931 + ... + 8875170.

Almost surely, 2^2130012120 is an apocalyptic number.

2130012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130012120 is an abundant number, since it is smaller than the sum of its proper divisors (4260024600).

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

2130012120 is a wasteful number, since it uses less digits than its factorization.

2130012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17750115 (or 17750111 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2130012120 is about 46152.0543421417. The cubic root of 2130012120 is about 1286.6507916226.

Adding to 2130012120 its reverse (212100312), we get a palindrome (2342112432).

The spelling of 2130012120 in words is "two billion, one hundred thirty million, twelve thousand, one hundred twenty".