12212412423211 has 48 divisors (see below), whose sum is σ = 16568922569472. Its totient is φ = 8758835490240.

The previous prime is 12212412423203. The next prime is 12212412423271. The reversal of 12212412423211 is 11232421421221.

It is a happy number.

It is not a de Polignac number, because 12212412423211 - 2³ = 12212412423203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212412423211.

It is not an unprimeable number, because it can be changed into a prime (12212412423271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2222676 + ... + 5418958.

It is an arithmetic number, because the mean of its divisors is an integer number (345185886864).

Almost surely, 2^{12212412423211} is an apocalyptic number.

12212412423211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212412423211 is a deficient number, since it is larger than the sum of its proper divisors (4356510146261).

12212412423211 is a wasteful number, since it uses less digits than its factorization.

12212412423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196672 (or 3196661 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 12212412423211 its reverse (11232421421221), we get a palindrome (23444833844432).

The spelling of 12212412423211 in words is "twelve trillion, two hundred twelve billion, four hundred twelve million, four hundred twenty-three thousand, two hundred eleven".