105000223312 has 10 divisors (see below), whose sum is σ = 203437932698. Its totient is φ = 52500111648.

The previous prime is 105000223253. The next prime is 105000223343. The reversal of 105000223312 is 213322000501.

It can be written as a sum of positive squares in only one way, i.e., 104455654416 + 544568896 = 323196^2 + 23336^2 .

It is a super-2 number, since 2×105000223312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105000223312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281256963 + ... + 3281256994.

Almost surely, 2^105000223312 is an apocalyptic number.

It is an amenable number.

105000223312 is a deficient number, since it is larger than the sum of its proper divisors (98437709386).

105000223312 is an equidigital number, since it uses as much as digits as its factorization.

105000223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562513965 (or 6562513959 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 105000223312 its reverse (213322000501), we get a palindrome (318322223813).

The spelling of 105000223312 in words is "one hundred five billion, two hundred twenty-three thousand, three hundred twelve".