105331812 has 24 divisors (see below), whose sum is σ = 256460736. Its totient is φ = 33583968.

The previous prime is 105331783. The next prime is 105331879. The reversal of 105331812 is 218133501.

105331812 = 2129² + 2130² + ... + 2151².

It is a super-2 number, since 2×105331812² = 22189581238406688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190543 + ... + 191094.

It is an arithmetic number, because the mean of its divisors is an integer number (10685864).

Almost surely, 2^105331812 is an apocalyptic number.

105331812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105331812 is an abundant number, since it is smaller than the sum of its proper divisors (151128924).

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

105331812 is a wasteful number, since it uses less digits than its factorization.

105331812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381667 (or 381665 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 105331812 is about 10263.1287627117. The cubic root of 105331812 is about 472.2658238822.

The spelling of 105331812 in words is "one hundred five million, three hundred thirty-one thousand, eight hundred twelve".