105412552220 has 36 divisors (see below), whose sum is σ = 226176588120. Its totient is φ = 41267875488.

The previous prime is 105412552199. The next prime is 105412552351. The reversal of 105412552220 is 22255214501.

It is a happy number.

It is a super-2 number, since 2×105412552220² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1148810 + ... + 1237169.

Almost surely, 2^105412552220 is an apocalyptic number.

105412552220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105412552220 is an abundant number, since it is smaller than the sum of its proper divisors (120764035900).

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

105412552220 is a wasteful number, since it uses less digits than its factorization.

105412552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386082 (or 2386033 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 105412552220 its reverse (22255214501), we get a palindrome (127667766721).

The spelling of 105412552220 in words is "one hundred five billion, four hundred twelve million, five hundred fifty-two thousand, two hundred twenty".