12022200122121 has 12 divisors (see below), whose sum is σ = 19846171630272. Its totient is φ = 6869828641176.

The previous prime is 12022200122081. The next prime is 12022200122137. The reversal of 12022200122121 is 12122100222021.

It is a happy number.

12022200122121 is a `hidden beast` number, since 1 + 202 + 220 + 0 + 1 + 221 + 21 = 666.

It is not a de Polignac number, because 12022200122121 - 2⁶ = 12022200122057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022200122094 and 12022200122103.

It is not an unprimeable number, because it can be changed into a prime (12022200122021) 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, 95414286621 + ... + 95414286746.

It is an arithmetic number, because the mean of its divisors is an integer number (1653847635856).

Almost surely, 2^{12022200122121} is an apocalyptic number.

It is an amenable number.

12022200122121 is a deficient number, since it is larger than the sum of its proper divisors (7823971508151).

12022200122121 is a wasteful number, since it uses less digits than its factorization.

12022200122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190828573380 (or 190828573377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022200122121 its reverse (12122100222021), we get a palindrome (24144300344142).

The spelling of 12022200122121 in words is "twelve trillion, twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-one".