12012022212122 has 8 divisors (see below), whose sum is σ = 18041835213876. Its totient is φ = 5998077140832.

The previous prime is 12012022212109. The next prime is 12012022212133. The reversal of 12012022212122 is 22121222021021.

It can be written as a sum of positive squares in 2 ways, for example, as 11465056948081 + 546965264041 = 3386009^2 + 739571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12012022212094 and 12012022212103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3966980723 + ... + 3966983750.

Almost surely, 2^{12012022212122} is an apocalyptic number.

12012022212122 is a deficient number, since it is larger than the sum of its proper divisors (6029813001754).

12012022212122 is an equidigital number, since it uses as much as digits as its factorization.

12012022212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933965232.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12012022212122 its reverse (22121222021021), we get a palindrome (34133244233143).

The spelling of 12012022212122 in words is "twelve trillion, twelve billion, twenty-two million, two hundred twelve thousand, one hundred twenty-two".