12021210020122 has 8 divisors (see below), whose sum is σ = 18051436159200. Its totient is φ = 6004064633724.

The previous prime is 12021210020119. The next prime is 12021210020203. The reversal of 12021210020122 is 22102001212021.

It is a happy number.

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 = 12021210020096 and 12021210020105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270185872 + ... + 3270189547.

It is an arithmetic number, because the mean of its divisors is an integer number (2256429519900).

Almost surely, 2^{12021210020122} is an apocalyptic number.

12021210020122 is a deficient number, since it is larger than the sum of its proper divisors (6030226139078).

12021210020122 is an equidigital number, since it uses as much as digits as its factorization.

12021210020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540376340.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021210020122 its reverse (22102001212021), we get a palindrome (34123211232143).

The spelling of 12021210020122 in words is "twelve trillion, twenty-one billion, two hundred ten million, twenty thousand, one hundred twenty-two".