109820412 has 36 divisors (see below), whose sum is σ = 298956840. Its totient is φ = 33790752.

The previous prime is 109820407. The next prime is 109820429. The reversal of 109820412 is 214028901.

It is a tau number, because it is divible by the number of its divisors (36).

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, 116862 + ... + 117797.

Almost surely, 2^109820412 is an apocalyptic number.

109820412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109820412 is an abundant number, since it is smaller than the sum of its proper divisors (189136428).

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

109820412 is a wasteful number, since it uses less digits than its factorization.

109820412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234682 (or 234677 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 109820412 is about 10479.5234624481. The cubic root of 109820412 is about 478.8810917021.

The spelling of 109820412 in words is "one hundred nine million, eight hundred twenty thousand, four hundred twelve".