1012213223 has 8 divisors (see below), whose sum is σ = 1157983392. Its totient is φ = 866735136.

The previous prime is 1012213193. The next prime is 1012213243. The reversal of 1012213223 is 3223122101.

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 1012213223 - 2¹⁶ = 1012147687 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 (1012213243) 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, 65540 + ... + 79497.

It is an arithmetic number, because the mean of its divisors is an integer number (144747924).

Almost surely, 2^1012213223 is an apocalyptic number.

1012213223 is a deficient number, since it is larger than the sum of its proper divisors (145770169).

1012213223 is an equidigital number, since it uses as much as digits as its factorization.

1012213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146041.

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

The square root of 1012213223 is about 31815.2985684560. The cubic root of 1012213223 is about 1004.0546122339.

Adding to 1012213223 its reverse (3223122101), we get a palindrome (4235335324).

The spelling of 1012213223 in words is "one billion, twelve million, two hundred thirteen thousand, two hundred twenty-three".