12212130441 has 32 divisors (see below), whose sum is σ = 18715207680. Its totient is φ = 6938607744.

The previous prime is 12212130407. The next prime is 12212130449. The reversal of 12212130441 is 14403121221.

It is not a de Polignac number, because 12212130441 - 2⁹ = 12212129929 is a prime.

It is a super-2 number, since 2×12212130441² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12212130449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4808550 + ... + 4811088.

It is an arithmetic number, because the mean of its divisors is an integer number (584850240).

Almost surely, 2^12212130441 is an apocalyptic number.

It is an amenable number.

12212130441 is a deficient number, since it is larger than the sum of its proper divisors (6503077239).

12212130441 is a wasteful number, since it uses less digits than its factorization.

12212130441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12212130441 its reverse (14403121221), we get a palindrome (26615251662).

The spelling of 12212130441 in words is "twelve billion, two hundred twelve million, one hundred thirty thousand, four hundred forty-one".