12091209214 has 8 divisors (see below), whose sum is σ = 20727787248. Its totient is φ = 5181946800.

The previous prime is 12091209167. The next prime is 12091209233. The reversal of 12091209214 is 41290219021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431828887 + ... + 431828914.

It is an arithmetic number, because the mean of its divisors is an integer number (2590973406).

Almost surely, 2^12091209214 is an apocalyptic number.

12091209214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12091209214 is a deficient number, since it is larger than the sum of its proper divisors (8636578034).

12091209214 is an equidigital number, since it uses as much as digits as its factorization.

12091209214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863657810.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 12091209214 in words is "twelve billion, ninety-one million, two hundred nine thousand, two hundred fourteen".