2321222012 has 12 divisors (see below), whose sum is σ = 4093148136. Its totient is φ = 1151751120.

The previous prime is 2321221943. The next prime is 2321222063. The reversal of 2321222012 is 2102221232.

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, 2214383 + ... + 2215430.

It is an arithmetic number, because the mean of its divisors is an integer number (341095678).

Almost surely, 2^2321222012 is an apocalyptic number.

It is an amenable number.

2321222012 is a deficient number, since it is larger than the sum of its proper divisors (1771926124).

2321222012 is a wasteful number, since it uses less digits than its factorization.

2321222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429948 (or 4429946 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2321222012 is about 48179.0619667922. The cubic root of 2321222012 is about 1324.0535806150.

Adding to 2321222012 its reverse (2102221232), we get a palindrome (4423443244).

The spelling of 2321222012 in words is "two billion, three hundred twenty-one million, two hundred twenty-two thousand, twelve".