105012401212 has 24 divisors (see below), whose sum is σ = 186380233200. Its totient is φ = 51761609856.

The previous prime is 105012401189. The next prime is 105012401231. The reversal of 105012401212 is 212104210501.

It is a super-2 number, since 2×105012401212² (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 105012401212.

It is a congruent number.

It is an unprimeable number.

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, 517239 + ... + 691057.

It is an arithmetic number, because the mean of its divisors is an integer number (7765843050).

Almost surely, 2^105012401212 is an apocalyptic number.

It is an amenable number.

105012401212 is a deficient number, since it is larger than the sum of its proper divisors (81367831988).

105012401212 is a wasteful number, since it uses less digits than its factorization.

105012401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175965 (or 175963 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 105012401212 its reverse (212104210501), we get a palindrome (317116611713).

The spelling of 105012401212 in words is "one hundred five billion, twelve million, four hundred one thousand, two hundred twelve".