6109212 has 12 divisors (see below), whose sum is σ = 14254856. Its totient is φ = 2036400.

The previous prime is 6109199. The next prime is 6109217. The reversal of 6109212 is 2129016.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109217) by changing a digit.

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, 254539 + ... + 254562.

Almost surely, 2^6109212 is an apocalyptic number.

It is an amenable number.

6109212 is an abundant number, since it is smaller than the sum of its proper divisors (8145644).

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

6109212 is a wasteful number, since it uses less digits than its factorization.

6109212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509108 (or 509106 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 6109212 is about 2471.6820183834. The cubic root of 6109212 is about 182.8079444697.

The spelling of 6109212 in words is "six million, one hundred nine thousand, two hundred twelve".