12122411422121 has 64 divisors (see below), whose sum is σ = 16610456518656. Its totient is φ = 8541813139200.

The previous prime is 12122411422087. The next prime is 12122411422123.

12122411422121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12122411422121 - 2³⁸ = 11847533515177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122411422123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11639816 + ... + 12638438.

It is an arithmetic number, because the mean of its divisors is an integer number (259538383104).

Almost surely, 2^{12122411422121} is an apocalyptic number.

12122411422121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12122411422121 is a deficient number, since it is larger than the sum of its proper divisors (4488045096535).

12122411422121 is a wasteful number, since it uses less digits than its factorization.

12122411422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998902.

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

It can be divided in two parts, 1212241 and 1422121, that added together give a palindrome (2634362).

The spelling of 12122411422121 in words is "twelve trillion, one hundred twenty-two billion, four hundred eleven million, four hundred twenty-two thousand, one hundred twenty-one".