2120020212 has 12 divisors (see below), whose sum is σ = 4946713856. Its totient is φ = 706673400.

The previous prime is 2120020187. The next prime is 2120020213. The reversal of 2120020212 is 2120200212.

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

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 176668351 = 2120020212 / (2 + 1 + 2 + 0 + 0 + 2 + 0 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120020213) 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, 88334164 + ... + 88334187.

Almost surely, 2^2120020212 is an apocalyptic number.

It is an amenable number.

2120020212 is an abundant number, since it is smaller than the sum of its proper divisors (2826693644).

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

2120020212 is a wasteful number, since it uses less digits than its factorization.

2120020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176668358 (or 176668356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120020212 is about 46043.6772206565. The cubic root of 2120020212 is about 1284.6357402427.

Adding to 2120020212 its reverse (2120200212), we get a palindrome (4240220424).

The spelling of 2120020212 in words is "two billion, one hundred twenty million, twenty thousand, two hundred twelve".