2120002012 has 12 divisors (see below), whose sum is σ = 3713045616. Its totient is φ = 1059131840.

The previous prime is 2120001941. The next prime is 2120002013. The reversal of 2120002012 is 2102000212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120002013) 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 3 ways as a sum of consecutive naturals, for example, 211789 + ... + 221572.

It is an arithmetic number, because the mean of its divisors is an integer number (309420468).

Almost surely, 2^2120002012 is an apocalyptic number.

It is an amenable number.

2120002012 is a deficient number, since it is larger than the sum of its proper divisors (1593043604).

2120002012 is a wasteful number, since it uses less digits than its factorization.

2120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434588 (or 434586 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120002012 is about 46043.4795818040. The cubic root of 2120002012 is about 1284.6320641084.

Adding to 2120002012 its reverse (2102000212), we get a palindrome (4222002224).

The spelling of 2120002012 in words is "two billion, one hundred twenty million, two thousand, twelve".