2120412012 has 24 divisors (see below), whose sum is σ = 4949478912. Its totient is φ = 706539600.

The previous prime is 2120412011. The next prime is 2120412017. The reversal of 2120412012 is 2102140212.

It is a super-2 number, since 2×2120412012² = 8992294201267776288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120411982 and 2120412000.

It is not an unprimeable number, because it can be changed into a prime (2120412011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 65147.

It is an arithmetic number, because the mean of its divisors is an integer number (206228288).

Almost surely, 2^2120412012 is an apocalyptic number.

It is an amenable number.

2120412012 is an abundant number, since it is smaller than the sum of its proper divisors (2829066900).

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

2120412012 is a wasteful number, since it uses less digits than its factorization.

2120412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66109 (or 66107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2120412012 is about 46047.9316799354. The cubic root of 2120412012 is about 1284.7148730229.

Adding to 2120412012 its reverse (2102140212), we get a palindrome (4222552224).

The spelling of 2120412012 in words is "two billion, one hundred twenty million, four hundred twelve thousand, twelve".