12260221144665 has 128 divisors (see below), whose sum is σ = 21411180306432. Its totient is φ = 5954602291200.

The previous prime is 12260221144637. The next prime is 12260221144679. The reversal of 12260221144665 is 56644112206221.

It is not a de Polignac number, because 12260221144665 - 2⁶ = 12260221144601 is a prime.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 11278951752 + ... + 11278952838.

It is an arithmetic number, because the mean of its divisors is an integer number (167274846144).

Almost surely, 2^{12260221144665} is an apocalyptic number.

12260221144665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12260221144665 is a deficient number, since it is larger than the sum of its proper divisors (9150959161767).

12260221144665 is a wasteful number, since it uses less digits than its factorization.

12260221144665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 12260221144665 in words is "twelve trillion, two hundred sixty billion, two hundred twenty-one million, one hundred forty-four thousand, six hundred sixty-five".