2120043012 has 48 divisors (see below), whose sum is σ = 5038689600. Its totient is φ = 693665280.

The previous prime is 2120042921. The next prime is 2120043017. The reversal of 2120043012 is 2103400212.

It is a junction number, because it is equal to n+sod(n) for n = 2120042982 and 2120043000.

It is not an unprimeable number, because it can be changed into a prime (2120043017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141312 + ... + 155592.

It is an arithmetic number, because the mean of its divisors is an integer number (104972700).

Almost surely, 2^2120043012 is an apocalyptic number.

It is an amenable number.

2120043012 is an abundant number, since it is smaller than the sum of its proper divisors (2918646588).

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

2120043012 is a wasteful number, since it uses less digits than its factorization.

2120043012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516 (or 14514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120043012 is about 46043.9248109889. The cubic root of 2120043012 is about 1284.6403454803.

Adding to 2120043012 its reverse (2103400212), we get a palindrome (4223443224).

The spelling of 2120043012 in words is "two billion, one hundred twenty million, forty-three thousand, twelve".