11212242409 has 8 divisors (see below), whose sum is σ = 11587915520. Its totient is φ = 10837443600.

The previous prime is 11212242359. The next prime is 11212242439. The reversal of 11212242409 is 90424221211.

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 11212242409 - 2⁷ = 11212242281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212242439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 192447 + ... + 243844.

It is an arithmetic number, because the mean of its divisors is an integer number (1448489440).

Almost surely, 2^11212242409 is an apocalyptic number.

It is an amenable number.

11212242409 is a deficient number, since it is larger than the sum of its proper divisors (375673111).

11212242409 is an equidigital number, since it uses as much as digits as its factorization.

11212242409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437151.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 11212242409 in words is "eleven billion, two hundred twelve million, two hundred forty-two thousand, four hundred nine".