2120331012 has 12 divisors (see below), whose sum is σ = 4947439056. Its totient is φ = 706777000.

The previous prime is 2120330987. The next prime is 2120331013. The reversal of 2120331012 is 2101330212.

2120331012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120330982 and 2120331000.

It is not an unprimeable number, because it can be changed into a prime (2120331013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88347114 + ... + 88347137.

It is an arithmetic number, because the mean of its divisors is an integer number (412286588).

Almost surely, 2^2120331012 is an apocalyptic number.

It is an amenable number.

2120331012 is an abundant number, since it is smaller than the sum of its proper divisors (2827108044).

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

2120331012 is a wasteful number, since it uses less digits than its factorization.

2120331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176694258 (or 176694256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120331012 is about 46047.0521532052. The cubic root of 2120331012 is about 1284.6985140591.

Adding to 2120331012 its reverse (2101330212), we get a palindrome (4221661224).

The spelling of 2120331012 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, twelve".