12021122020102 has 16 divisors (see below), whose sum is σ = 19419894703440. Its totient is φ = 5547878982432.

The previous prime is 12021122019983. The next prime is 12021122020139. The reversal of 12021122020102 is 20102022112021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13354977 + ... + 14226652.

It is an arithmetic number, because the mean of its divisors is an integer number (1213743418965).

Almost surely, 2^{12021122020102} is an apocalyptic number.

12021122020102 is a deficient number, since it is larger than the sum of its proper divisors (7398772683338).

12021122020102 is a wasteful number, since it uses less digits than its factorization.

12021122020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27598407.

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

Adding to 12021122020102 its reverse (20102022112021), we get a palindrome (32123144132123).

The spelling of 12021122020102 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, twenty thousand, one hundred two".