12212131310 has 16 divisors (see below), whose sum is σ = 22282958736. Its totient is φ = 4817936448.

The previous prime is 12212131259. The next prime is 12212131319. The reversal of 12212131310 is 1313121221.

It is a super-2 number, since 2×12212131310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212131319) 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, 8363744 + ... + 8365203.

It is an arithmetic number, because the mean of its divisors is an integer number (1392684921).

Almost surely, 2^12212131310 is an apocalyptic number.

12212131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212131310 is a deficient number, since it is larger than the sum of its proper divisors (10070827426).

12212131310 is a wasteful number, since it uses less digits than its factorization.

12212131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16729027.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12212131310 its reverse (1313121221), we get a palindrome (13525252531).

The spelling of 12212131310 in words is "twelve billion, two hundred twelve million, one hundred thirty-one thousand, three hundred ten".