2012101312209 has 8 divisors (see below), whose sum is σ = 2710459500000. Its totient is φ = 1327571999616.

The previous prime is 2012101312187. The next prime is 2012101312219. The reversal of 2012101312209 is 9022131012102.

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

It is not a de Polignac number, because 2012101312209 - 2²¹ = 2012099215057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012101312219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457218459 + ... + 3457219040.

It is an arithmetic number, because the mean of its divisors is an integer number (338807437500).

Almost surely, 2^{2012101312209} is an apocalyptic number.

It is an amenable number.

2012101312209 is a deficient number, since it is larger than the sum of its proper divisors (698358187791).

2012101312209 is an equidigital number, since it uses as much as digits as its factorization.

2012101312209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914437599.

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

The spelling of 2012101312209 in words is "two trillion, twelve billion, one hundred one million, three hundred twelve thousand, two hundred nine".