12212133120121 has 12 divisors (see below), whose sum is σ = 13424124578032. Its totient is φ = 11101218975000.

The previous prime is 12212133120059. The next prime is 12212133120191. The reversal of 12212133120121 is 12102133121221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12212133120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212133120092 and 12212133120101.

It is not an unprimeable number, because it can be changed into a prime (12212133120191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396455 + ... + 5135596.

Almost surely, 2^{12212133120121} is an apocalyptic number.

12212133120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212133120121 is a deficient number, since it is larger than the sum of its proper divisors (1211991457911).

12212133120121 is a wasteful number, since it uses less digits than its factorization.

12212133120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547524 (or 6547513 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12212133120121 its reverse (12102133121221), we get a palindrome (24314266241342).

The spelling of 12212133120121 in words is "twelve trillion, two hundred twelve billion, one hundred thirty-three million, one hundred twenty thousand, one hundred twenty-one".