12101916 has 12 divisors (see below), whose sum is σ = 28237832. Its totient is φ = 4033968.

The previous prime is 12101893. The next prime is 12101927. The reversal of 12101916 is 61910121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12101892 and 12101901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504235 + ... + 504258.

Almost surely, 2^12101916 is an apocalyptic number.

It is an amenable number.

12101916 is an abundant number, since it is smaller than the sum of its proper divisors (16135916).

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

12101916 is a wasteful number, since it uses less digits than its factorization.

12101916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008500 (or 1008498 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 12101916 is about 3478.7808209199. The cubic root of 12101916 is about 229.5891594472.

The spelling of 12101916 in words is "twelve million, one hundred one thousand, nine hundred sixteen".