12022551424121 has 12 divisors (see below), whose sum is σ = 14012157751632. Its totient is φ = 10285340338728.

The previous prime is 12022551424109. The next prime is 12022551424139. The reversal of 12022551424121 is 12142415522021.

It is not a de Polignac number, because 12022551424121 - 2³⁰ = 12021477682297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022551429121) 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, 234542435 + ... + 234593688.

It is an arithmetic number, because the mean of its divisors is an integer number (1167679812636).

Almost surely, 2^{12022551424121} is an apocalyptic number.

It is an amenable number.

12022551424121 is a deficient number, since it is larger than the sum of its proper divisors (1989606327511).

12022551424121 is an equidigital number, since it uses as much as digits as its factorization.

12022551424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469136660 (or 469136653 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 12022551424121 its reverse (12142415522021), we get a palindrome (24164966946142).

The spelling of 12022551424121 in words is "twelve trillion, twenty-two billion, five hundred fifty-one million, four hundred twenty-four thousand, one hundred twenty-one".