1002012223 has 8 divisors (see below), whose sum is σ = 1042642368. Its totient is φ = 962186784.

The previous prime is 1002012211. The next prime is 1002012229. The reversal of 1002012223 is 3222102001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002012223 - 2¹⁷ = 1001881151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198636 + ... + 203617.

It is an arithmetic number, because the mean of its divisors is an integer number (130330296).

Almost surely, 2^1002012223 is an apocalyptic number.

1002012223 is a deficient number, since it is larger than the sum of its proper divisors (40630145).

1002012223 is an equidigital number, since it uses as much as digits as its factorization.

1002012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402353.

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

The square root of 1002012223 is about 31654.5766517261. The cubic root of 1002012223 is about 1000.6702916088.

Adding to 1002012223 its reverse (3222102001), we get a palindrome (4224114224).

The spelling of 1002012223 in words is "one billion, two million, twelve thousand, two hundred twenty-three".