109411212 has 12 divisors (see below), whose sum is σ = 255292856. Its totient is φ = 36470400.

The previous prime is 109411189. The next prime is 109411217. The reversal of 109411212 is 212114901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×109411212² = 23941626622617888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109411217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558789 + ... + 4558812.

Almost surely, 2^109411212 is an apocalyptic number.

109411212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109411212 is an abundant number, since it is smaller than the sum of its proper divisors (145881644).

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

109411212 is a wasteful number, since it uses less digits than its factorization.

109411212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117608 (or 9117606 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 109411212 is about 10459.9814531384. The cubic root of 109411212 is about 478.2855678231.

The spelling of 109411212 in words is "one hundred nine million, four hundred eleven thousand, two hundred twelve".