1223000212 has 18 divisors (see below), whose sum is σ = 2489679402. Its totient is φ = 524142864.

The previous prime is 1223000201. The next prime is 1223000279. The reversal of 1223000212 is 2120003221.

It can be written as a sum of positive squares in only one way, i.e., 1196744836 + 26255376 = 34594^2 + 5124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1223000192 and 1223000201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3119703 + ... + 3120094.

Almost surely, 2^1223000212 is an apocalyptic number.

It is an amenable number.

1223000212 is an abundant number, since it is smaller than the sum of its proper divisors (1266679190).

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

1223000212 is a wasteful number, since it uses less digits than its factorization.

1223000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239815 (or 6239806 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1223000212 is about 34971.4199311381. The cubic root of 1223000212 is about 1069.4049190559.

Adding to 1223000212 its reverse (2120003221), we get a palindrome (3343003433).

The spelling of 1223000212 in words is "one billion, two hundred twenty-three million, two hundred twelve", and thus it is an aban number.