11212310031209 has 8 divisors (see below), whose sum is σ = 12814382213760. Its totient is φ = 9610316250336.

The previous prime is 11212310031193. The next prime is 11212310031233. The reversal of 11212310031209 is 90213001321211.

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

It is a cyclic number.

It is not a de Polignac number, because 11212310031209 - 2⁴ = 11212310031193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212310031409) 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, 19293644 + ... + 19866285.

It is an arithmetic number, because the mean of its divisors is an integer number (1601797776720).

Almost surely, 2^{11212310031209} is an apocalyptic number.

It is an amenable number.

11212310031209 is a deficient number, since it is larger than the sum of its proper divisors (1602072182551).

11212310031209 is an equidigital number, since it uses as much as digits as its factorization.

11212310031209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39200839.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 11212310031209 in words is "eleven trillion, two hundred twelve billion, three hundred ten million, thirty-one thousand, two hundred nine".