2102122212 has 12 divisors (see below), whose sum is σ = 4904951856. Its totient is φ = 700707400.

The previous prime is 2102122147. The next prime is 2102122229. The reversal of 2102122212 is 2122212012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2102122191 and 2102122200.

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, 87588414 + ... + 87588437.

It is an arithmetic number, because the mean of its divisors is an integer number (408745988).

Almost surely, 2^2102122212 is an apocalyptic number.

It is an amenable number.

2102122212 is an abundant number, since it is smaller than the sum of its proper divisors (2802829644).

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

2102122212 is a wasteful number, since it uses less digits than its factorization.

2102122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175176858 (or 175176856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2102122212 is about 45848.9063337393. The cubic root of 2102122212 is about 1281.0103944345.

Adding to 2102122212 its reverse (2122212012), we get a palindrome (4224334224).

The spelling of 2102122212 in words is "two billion, one hundred two million, one hundred twenty-two thousand, two hundred twelve".