12144355224405 has 16 divisors (see below), whose sum is σ = 19435022504640. Its totient is φ = 6475638071168.

The previous prime is 12144355224349. The next prime is 12144355224413. The reversal of 12144355224405 is 50442255344121.

It is a cyclic number.

It is not a de Polignac number, because 12144355224405 - 2¹⁰ = 12144355223381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84387075 + ... + 84530864.

It is an arithmetic number, because the mean of its divisors is an integer number (1214688906540).

Almost surely, 2^{12144355224405} is an apocalyptic number.

12144355224405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12144355224405 is a deficient number, since it is larger than the sum of its proper divisors (7290667280235).

12144355224405 is a wasteful number, since it uses less digits than its factorization.

12144355224405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168922740.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 12144355224405 in words is "twelve trillion, one hundred forty-four billion, three hundred fifty-five million, two hundred twenty-four thousand, four hundred five".