109860012 has 36 divisors (see below), whose sum is σ = 284163880. Its totient is φ = 35767872.

The previous prime is 109860011. The next prime is 109860031. The reversal of 109860012 is 210068901.

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

It is not an unprimeable number, because it can be changed into a prime (109860011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33937 + ... + 37032.

Almost surely, 2^109860012 is an apocalyptic number.

109860012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109860012 is an abundant number, since it is smaller than the sum of its proper divisors (174303868).

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

109860012 is a wasteful number, since it uses less digits than its factorization.

109860012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71022 (or 71017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 109860012 is about 10481.4126910450. The cubic root of 109860012 is about 478.9386444891.

The spelling of 109860012 in words is "one hundred nine million, eight hundred sixty thousand, twelve".