12213201101312 has 40 divisors (see below), whose sum is σ = 24410507920656. Its totient is φ = 6104608699392.

The previous prime is 12213201101303. The next prime is 12213201101341. The reversal of 12213201101312 is 21310110231221.

It is a super-2 number, since 2×12213201101312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318498 + ... + 5459105.

Almost surely, 2^{12213201101312} is an apocalyptic number.

It is an amenable number.

12213201101312 is a deficient number, since it is larger than the sum of its proper divisors (12197306819344).

12213201101312 is an frugal number, since it uses more digits than its factorization.

12213201101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780688 (or 7780672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12213201101312 its reverse (21310110231221), we get a palindrome (33523311332533).

The spelling of 12213201101312 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, one hundred one thousand, three hundred twelve".