12211214013 has 24 divisors (see below), whose sum is σ = 17786433600. Its totient is φ = 8072625984.

The previous prime is 12211213979. The next prime is 12211214023. The reversal of 12211214013 is 31041211221.

It is not a de Polignac number, because 12211214013 - 2¹⁰ = 12211212989 is a prime.

It is a super-2 number, since 2×12211214013² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211214023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1251568 + ... + 1261286.

It is an arithmetic number, because the mean of its divisors is an integer number (741101400).

Almost surely, 2^12211214013 is an apocalyptic number.

It is an amenable number.

12211214013 is a deficient number, since it is larger than the sum of its proper divisors (5575219587).

12211214013 is a wasteful number, since it uses less digits than its factorization.

12211214013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881 (or 10878 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12211214013 its reverse (31041211221), we get a palindrome (43252425234).

The spelling of 12211214013 in words is "twelve billion, two hundred eleven million, two hundred fourteen thousand, thirteen".