12350001220505 has 32 divisors (see below), whose sum is σ = 16312090604544. Its totient is φ = 8919105140736.

The previous prime is 12350001220499. The next prime is 12350001220511. The reversal of 12350001220505 is 50502210005321.

It is an interprime number because it is at equal distance from previous prime (12350001220499) and next prime (12350001220511).

It is a cyclic number.

It is not a de Polignac number, because 12350001220505 - 2²⁴ = 12349984443289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2429417 + ... + 5531913.

It is an arithmetic number, because the mean of its divisors is an integer number (509752831392).

Almost surely, 2^{12350001220505} is an apocalyptic number.

It is an amenable number.

12350001220505 is a deficient number, since it is larger than the sum of its proper divisors (3962089384039).

12350001220505 is a wasteful number, since it uses less digits than its factorization.

12350001220505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103865.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 12350001220505 its reverse (50502210005321), we get a palindrome (62852211225826).

The spelling of 12350001220505 in words is "twelve trillion, three hundred fifty billion, one million, two hundred twenty thousand, five hundred five".