2122020212 has 24 divisors (see below), whose sum is σ = 4000719072. Its totient is φ = 979020000.

The previous prime is 2122020203. The next prime is 2122020217. The reversal of 2122020212 is 2120202212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167087 + ... + 179337.

It is an arithmetic number, because the mean of its divisors is an integer number (166696628).

Almost surely, 2^2122020212 is an apocalyptic number.

It is an amenable number.

2122020212 is a deficient number, since it is larger than the sum of its proper divisors (1878698860).

2122020212 is a wasteful number, since it uses less digits than its factorization.

2122020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15599 (or 15597 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2122020212 is about 46065.3906094369. The cubic root of 2122020212 is about 1285.0395829278.

Adding to 2122020212 its reverse (2120202212), we get a palindrome (4242222424).

The spelling of 2122020212 in words is "two billion, one hundred twenty-two million, twenty thousand, two hundred twelve".