2113212212 has 12 divisors (see below), whose sum is σ = 3732049860. Its totient is φ = 1046912256.

The previous prime is 2113212197. The next prime is 2113212271. The reversal of 2113212212 is 2122123112.

It can be written as a sum of positive squares in 2 ways, for example, as 626801296 + 1486410916 = 25036^2 + 38554^2 .

It is a congruent number.

It is an unprimeable number.

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, 2422973 + ... + 2423844.

It is an arithmetic number, because the mean of its divisors is an integer number (311004155).

Almost surely, 2^2113212212 is an apocalyptic number.

It is an amenable number.

2113212212 is a deficient number, since it is larger than the sum of its proper divisors (1618837648).

2113212212 is a wasteful number, since it uses less digits than its factorization.

2113212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846930 (or 4846928 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2113212212 is about 45969.6879693565. The cubic root of 2113212212 is about 1283.2591529544.

Adding to 2113212212 its reverse (2122123112), we get a palindrome (4235335324).

The spelling of 2113212212 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, two hundred twelve".