12220263664005 has 16 divisors (see below), whose sum is σ = 19555487138880. Its totient is φ = 6516452195328.

The previous prime is 12220263663989. The next prime is 12220263664027. The reversal of 12220263664005 is 50046636202221.

It is not a de Polignac number, because 12220263664005 - 2⁴ = 12220263663989 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 63761052 + ... + 63952421.

It is an arithmetic number, because the mean of its divisors is an integer number (1222217946180).

Almost surely, 2^{12220263664005} is an apocalyptic number.

12220263664005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12220263664005 is a deficient number, since it is larger than the sum of its proper divisors (7335223474875).

12220263664005 is a wasteful number, since it uses less digits than its factorization.

12220263664005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127719860.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 12220263664005 its reverse (50046636202221), we get a palindrome (62266899866226).

The spelling of 12220263664005 in words is "twelve trillion, two hundred twenty billion, two hundred sixty-three million, six hundred sixty-four thousand, five".