12211213231310 has 32 divisors (see below), whose sum is σ = 22055944976352. Its totient is φ = 4867650605440.

The previous prime is 12211213231277. The next prime is 12211213231319. The reversal of 12211213231310 is 1313231211221.

It is a happy number.

It is a super-2 number, since 2×12211213231310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211213231319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124643045 + ... + 124740975.

It is an arithmetic number, because the mean of its divisors is an integer number (689248280511).

Almost surely, 2^{12211213231310} is an apocalyptic number.

12211213231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211213231310 is a deficient number, since it is larger than the sum of its proper divisors (9844731745042).

12211213231310 is a wasteful number, since it uses less digits than its factorization.

12211213231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140788.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12211213231310 its reverse (1313231211221), we get a palindrome (13524444442531).

The spelling of 12211213231310 in words is "twelve trillion, two hundred eleven billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred ten".