12209819401 has 16 divisors (see below), whose sum is σ = 13316728320. Its totient is φ = 11127499200.

The previous prime is 12209819383. The next prime is 12209819411. The reversal of 12209819401 is 10491890221.

12209819401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12209819401 - 2¹⁷ = 12209688329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12209819411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458416 + ... + 484318.

It is an arithmetic number, because the mean of its divisors is an integer number (832295520).

Almost surely, 2^12209819401 is an apocalyptic number.

It is an amenable number.

12209819401 is a deficient number, since it is larger than the sum of its proper divisors (1106908919).

12209819401 is a wasteful number, since it uses less digits than its factorization.

12209819401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26376.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 12209819401 in words is "twelve billion, two hundred nine million, eight hundred nineteen thousand, four hundred one".