1000223212 has 12 divisors (see below), whose sum is σ = 1751830416. Its totient is φ = 499700240.

The previous prime is 1000223209. The next prime is 1000223239. The reversal of 1000223212 is 2123220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000223192 and 1000223201.

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, 97339 + ... + 107122.

It is an arithmetic number, because the mean of its divisors is an integer number (145985868).

Almost surely, 2^1000223212 is an apocalyptic number.

It is an amenable number.

1000223212 is a deficient number, since it is larger than the sum of its proper divisors (751607204).

1000223212 is a wasteful number, since it uses less digits than its factorization.

1000223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205688 (or 205686 counting only the distinct ones).

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

The square root of 1000223212 is about 31626.3056963661. The cubic root of 1000223212 is about 1000.0743984647.

Adding to 1000223212 its reverse (2123220001), we get a palindrome (3123443213).

The spelling of 1000223212 in words is "one billion, two hundred twenty-three thousand, two hundred twelve".