1012001223 has 8 divisors (see below), whose sum is σ = 1349533936. Its totient is φ = 674568000.

The previous prime is 1012001201. The next prime is 1012001257. The reversal of 1012001223 is 3221002101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012001223 - 2⁵ = 1012001191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012001199 and 1012001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3483 + ... + 45123.

It is an arithmetic number, because the mean of its divisors is an integer number (168691742).

Almost surely, 2^1012001223 is an apocalyptic number.

1012001223 is a deficient number, since it is larger than the sum of its proper divisors (337532713).

1012001223 is an equidigital number, since it uses as much as digits as its factorization.

1012001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49745.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1012001223 is about 31811.9666635057. The cubic root of 1012001223 is about 1003.9845102582.

Adding to 1012001223 its reverse (3221002101), we get a palindrome (4233003324).

The spelling of 1012001223 in words is "one billion, twelve million, one thousand, two hundred twenty-three".