12142211224121 has 4 divisors (see below), whose sum is σ = 13246048608144. Its totient is φ = 11038373840100.

The previous prime is 12142211223997. The next prime is 12142211224177.

12142211224121 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12142211224121 - 2¹⁰ = 12142211223097 is a prime.

It is a super-2 number, since 2×12142211224121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12142211226121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551918691995 + ... + 551918692016.

It is an arithmetic number, because the mean of its divisors is an integer number (3311512152036).

Almost surely, 2^{12142211224121} is an apocalyptic number.

12142211224121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12142211224121 is a deficient number, since it is larger than the sum of its proper divisors (1103837384023).

12142211224121 is a wasteful number, since it uses less digits than its factorization.

12142211224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103837384022.

The product of its digits is 1024, while the sum is 26.

It can be divided in two parts, 1214221 and 1224121, that added together give a palindrome (2438342).

The spelling of 12142211224121 in words is "twelve trillion, one hundred forty-two billion, two hundred eleven million, two hundred twenty-four thousand, one hundred twenty-one".