105880012 has 24 divisors (see below), whose sum is σ = 224217504. Its totient is φ = 42707712.

The previous prime is 105880009. The next prime is 105880013. The reversal of 105880012 is 210088501.

It is a super-2 number, since 2×105880012² = 22421153882240288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105880013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110743 + ... + 111694.

It is an arithmetic number, because the mean of its divisors is an integer number (9342396).

Almost surely, 2^105880012 is an apocalyptic number.

It is an amenable number.

105880012 is an abundant number, since it is smaller than the sum of its proper divisors (118337492).

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

105880012 is a wasteful number, since it uses less digits than its factorization.

105880012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222465 (or 222463 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 105880012 is about 10289.8013586269. The cubic root of 105880012 is about 473.0837099884.

The spelling of 105880012 in words is "one hundred five million, eight hundred eighty thousand, twelve".