105010421212 has 12 divisors (see below), whose sum is σ = 184500383256. Its totient is φ = 52296026000.

The previous prime is 105010421189. The next prime is 105010421221. The reversal of 105010421212 is 212124010501.

It is a super-2 number, since 2×105010421212² (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 105010421212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52295023 + ... + 52297030.

It is an arithmetic number, because the mean of its divisors is an integer number (15375031938).

Almost surely, 2^105010421212 is an apocalyptic number.

It is an amenable number.

105010421212 is a deficient number, since it is larger than the sum of its proper divisors (79489962044).

105010421212 is a wasteful number, since it uses less digits than its factorization.

105010421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104592308 (or 104592306 counting only the distinct ones).

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

Adding to 105010421212 its reverse (212124010501), we get a palindrome (317134431713).

The spelling of 105010421212 in words is "one hundred five billion, ten million, four hundred twenty-one thousand, two hundred twelve".