1012312223 has 8 divisors (see below), whose sum is σ = 1125350016. Its totient is φ = 904298400.

The previous prime is 1012312207. The next prime is 1012312237. The reversal of 1012312223 is 3222132101.

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 1012312223 - 2⁴ = 1012312207 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 (1012312253) 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, 1255568 + ... + 1256373.

It is an arithmetic number, because the mean of its divisors is an integer number (140668752).

Almost surely, 2^1012312223 is an apocalyptic number.

1012312223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012312223 is a deficient number, since it is larger than the sum of its proper divisors (113037793).

1012312223 is a wasteful number, since it uses less digits than its factorization.

1012312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511985.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1012312223 is about 31816.8543856868. The cubic root of 1012312223 is about 1004.0873451811.

Adding to 1012312223 its reverse (3222132101), we get a palindrome (4234444324).

The spelling of 1012312223 in words is "one billion, twelve million, three hundred twelve thousand, two hundred twenty-three".