12223217501 has 8 divisors (see below), whose sum is σ = 13337878944. Its totient is φ = 11109132720.

The previous prime is 12223217477. The next prime is 12223217507. The reversal of 12223217501 is 10571232221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12223217501 - 2³⁰ = 11149475677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223217507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99230 + ... + 185183.

It is an arithmetic number, because the mean of its divisors is an integer number (1667234868).

Almost surely, 2^12223217501 is an apocalyptic number.

12223217501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12223217501 is a deficient number, since it is larger than the sum of its proper divisors (1114661443).

12223217501 is a wasteful number, since it uses less digits than its factorization.

12223217501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288331.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 12223217501 its reverse (10571232221), we get a palindrome (22794449722).

The spelling of 12223217501 in words is "twelve billion, two hundred twenty-three million, two hundred seventeen thousand, five hundred one".