2122012212 has 24 divisors (see below), whose sum is σ = 5056711296. Its totient is φ = 692287488.

The previous prime is 2122012181. The next prime is 2122012213. The reversal of 2122012212 is 2122102212.

It is a junction number, because it is equal to n+sod(n) for n = 2122012191 and 2122012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012213) 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 7 ways as a sum of consecutive naturals, for example, 1880653 + ... + 1881780.

It is an arithmetic number, because the mean of its divisors is an integer number (210696304).

Almost surely, 2^2122012212 is an apocalyptic number.

It is an amenable number.

2122012212 is an abundant number, since it is smaller than the sum of its proper divisors (2934699084).

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

2122012212 is a wasteful number, since it uses less digits than its factorization.

2122012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762487 (or 3762485 counting only the distinct ones).

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

The square root of 2122012212 is about 46065.3037762696. The cubic root of 2122012212 is about 1285.0379680626.

Adding to 2122012212 its reverse (2122102212), we get a palindrome (4244114424).

Subtracting 2122012212 from its reverse (2122102212), we obtain a square (90000 = 300²).

The spelling of 2122012212 in words is "two billion, one hundred twenty-two million, twelve thousand, two hundred twelve".