12022021020122 has 16 divisors (see below), whose sum is σ = 19093893454080. Its totient is φ = 5657393400768.

The previous prime is 12022021020109. The next prime is 12022021020131. The reversal of 12022021020122 is 22102012022021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12022021020122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060253 + ... + 8595999.

It is an arithmetic number, because the mean of its divisors is an integer number (1193368340880).

Almost surely, 2^{12022021020122} is an apocalyptic number.

12022021020122 is a deficient number, since it is larger than the sum of its proper divisors (7071872433958).

12022021020122 is a wasteful number, since it uses less digits than its factorization.

12022021020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766005.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12022021020122 its reverse (22102012022021), we get a palindrome (34124033042143).

The spelling of 12022021020122 in words is "twelve trillion, twenty-two billion, twenty-one million, twenty thousand, one hundred twenty-two".