2120444012 has 12 divisors (see below), whose sum is σ = 3715369560. Its totient is φ = 1058909856.

The previous prime is 2120444003. The next prime is 2120444033. The reversal of 2120444012 is 2104440212.

It is a super-2 number, since 2×2120444012² = 8992565616053312288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324398 + ... + 330869.

It is an arithmetic number, because the mean of its divisors is an integer number (309614130).

Almost surely, 2^2120444012 is an apocalyptic number.

It is an amenable number.

2120444012 is a deficient number, since it is larger than the sum of its proper divisors (1594925548).

2120444012 is a wasteful number, since it uses less digits than its factorization.

2120444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656080 (or 656078 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2120444012 is about 46048.2791426564. The cubic root of 2120444012 is about 1284.7213357086.

Adding to 2120444012 its reverse (2104440212), we get a palindrome (4224884224).

The spelling of 2120444012 in words is "two billion, one hundred twenty million, four hundred forty-four thousand, twelve".