105225003212 has 24 divisors (see below), whose sum is σ = 213591055104. Its totient is φ = 44423348112.

The previous prime is 105225003203. The next prime is 105225003217. The reversal of 105225003212 is 212300522501.

It is a super-2 number, since 2×105225003212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105225003217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28043168 + ... + 28046919.

It is an arithmetic number, because the mean of its divisors is an integer number (8899627296).

Almost surely, 2^105225003212 is an apocalyptic number.

It is an amenable number.

105225003212 is an abundant number, since it is smaller than the sum of its proper divisors (108366051892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105225003212 is a wasteful number, since it uses less digits than its factorization.

105225003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56090165 (or 56090163 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 105225003212 its reverse (212300522501), we get a palindrome (317525525713).

The spelling of 105225003212 in words is "one hundred five billion, two hundred twenty-five million, three thousand, two hundred twelve".