2212122012 has 48 divisors (see below), whose sum is σ = 5209166592. Its totient is φ = 730602880.

The previous prime is 2212122007. The next prime is 2212122019. The reversal of 2212122012 is 2102212122.

2212122012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2212121982 and 2212122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220587 + ... + 1222397.

It is an arithmetic number, because the mean of its divisors is an integer number (108524304).

Almost surely, 2^2212122012 is an apocalyptic number.

It is an amenable number.

2212122012 is an abundant number, since it is smaller than the sum of its proper divisors (2997044580).

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

2212122012 is a wasteful number, since it uses less digits than its factorization.

2212122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2696 counting only the distinct ones).

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

The square root of 2212122012 is about 47033.2011668353. The cubic root of 2212122012 is about 1302.9758282029.

Adding to 2212122012 its reverse (2102212122), we get a palindrome (4314334134).

The spelling of 2212122012 in words is "two billion, two hundred twelve million, one hundred twenty-two thousand, twelve".