109122612 has 12 divisors (see below), whose sum is σ = 254619456. Its totient is φ = 36374200.

The previous prime is 109122599. The next prime is 109122617. The reversal of 109122612 is 216221901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109122617) 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, 4546764 + ... + 4546787.

It is an arithmetic number, because the mean of its divisors is an integer number (21218288).

Almost surely, 2^109122612 is an apocalyptic number.

109122612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109122612 is an abundant number, since it is smaller than the sum of its proper divisors (145496844).

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

109122612 is a wasteful number, since it uses less digits than its factorization.

109122612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093558 (or 9093556 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 109122612 is about 10446.1769083239. The cubic root of 109122612 is about 477.8646641014.

The spelling of 109122612 in words is "one hundred nine million, one hundred twenty-two thousand, six hundred twelve".