105355141212 has 24 divisors (see below), whose sum is σ = 245933738512. Its totient is φ = 35103369600.

The previous prime is 105355141193. The next prime is 105355141321. The reversal of 105355141212 is 212141553501.

It is a super-2 number, since 2×105355141212² (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 105355141212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847089 + ... + 1903272.

Almost surely, 2^105355141212 is an apocalyptic number.

105355141212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105355141212 is an abundant number, since it is smaller than the sum of its proper divisors (140578597300).

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

105355141212 is a wasteful number, since it uses less digits than its factorization.

105355141212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752709 (or 3752707 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 105355141212 its reverse (212141553501), we get a palindrome (317496694713).

The spelling of 105355141212 in words is "one hundred five billion, three hundred fifty-five million, one hundred forty-one thousand, two hundred twelve".