12213200201018 has 8 divisors (see below), whose sum is σ = 18620124896820. Its totient is φ = 6006491902080.

The previous prime is 12213200201017. The next prime is 12213200201093. The reversal of 12213200201018 is 81010200231221.

It can be written as a sum of positive squares in 2 ways, for example, as 12161240366209 + 51959834809 = 3487297^2 + 227947^2 .

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

It is a super-2 number, since 2×12213200201018² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213200200984 and 12213200201002.

It is not an unprimeable number, because it can be changed into a prime (12213200201017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50054099063 + ... + 50054099306.

Almost surely, 2^{12213200201018} is an apocalyptic number.

12213200201018 is a deficient number, since it is larger than the sum of its proper divisors (6406924695802).

12213200201018 is a wasteful number, since it uses less digits than its factorization.

12213200201018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100108198432.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12213200201018 its reverse (81010200231221), we get a palindrome (93223400432239).

The spelling of 12213200201018 in words is "twelve trillion, two hundred thirteen billion, two hundred million, two hundred one thousand, eighteen".