2213122012 has 6 divisors (see below), whose sum is σ = 3872963528. Its totient is φ = 1106561004.

The previous prime is 2213122003. The next prime is 2213122013. The reversal of 2213122012 is 2102213122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213122013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276640248 + ... + 276640255.

Almost surely, 2^2213122012 is an apocalyptic number.

It is an amenable number.

2213122012 is a deficient number, since it is larger than the sum of its proper divisors (1659841516).

2213122012 is a wasteful number, since it uses less digits than its factorization.

2213122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553280507 (or 553280505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2213122012 is about 47043.8307538831. The cubic root of 2213122012 is about 1303.1721373775.

Adding to 2213122012 its reverse (2102213122), we get a palindrome (4315335134).

The spelling of 2213122012 in words is "two billion, two hundred thirteen million, one hundred twenty-two thousand, twelve".