2221230012 has 12 divisors (see below), whose sum is σ = 5182870056. Its totient is φ = 740410000.

The previous prime is 2221230007. The next prime is 2221230023. The reversal of 2221230012 is 2100321222.

It is a happy number.

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 = 2221229973 and 2221230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92551239 + ... + 92551262.

It is an arithmetic number, because the mean of its divisors is an integer number (431905838).

Almost surely, 2^2221230012 is an apocalyptic number.

It is an amenable number.

2221230012 is an abundant number, since it is smaller than the sum of its proper divisors (2961640044).

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

2221230012 is a wasteful number, since it uses less digits than its factorization.

2221230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185102508 (or 185102506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2221230012 is about 47129.9269254685. The cubic root of 2221230012 is about 1304.7616328920.

Adding to 2221230012 its reverse (2100321222), we get a palindrome (4321551234).

The spelling of 2221230012 in words is "two billion, two hundred twenty-one million, two hundred thirty thousand, twelve".