1223000012 has 12 divisors (see below), whose sum is σ = 2304884736. Its totient is φ = 564461520.

The previous prime is 1222999957. The next prime is 1223000021. The reversal of 1223000012 is 2100003221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222999957 and 1223000002.

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, 11759564 + ... + 11759667.

It is an arithmetic number, because the mean of its divisors is an integer number (192073728).

Almost surely, 2^1223000012 is an apocalyptic number.

It is an amenable number.

1223000012 is a deficient number, since it is larger than the sum of its proper divisors (1081884724).

1223000012 is a wasteful number, since it uses less digits than its factorization.

1223000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23519248 (or 23519246 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1223000012 is about 34971.4170716601. The cubic root of 1223000012 is about 1069.4048607618.

Adding to 1223000012 its reverse (2100003221), we get a palindrome (3323003233).

The spelling of 1223000012 in words is "one billion, two hundred twenty-three million, twelve", and thus it is an aban number.