12021011120210 has 128 divisors (see below), whose sum is σ = 22789099872000. Its totient is φ = 4561932690432.

The previous prime is 12021011120171. The next prime is 12021011120227. The reversal of 12021011120210 is 1202111012021.

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 473759084 + ... + 473784456.

It is an arithmetic number, because the mean of its divisors is an integer number (178039842750).

Almost surely, 2^{12021011120210} is an apocalyptic number.

12021011120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021011120210 is a deficient number, since it is larger than the sum of its proper divisors (10768088751790).

12021011120210 is a wasteful number, since it uses less digits than its factorization.

12021011120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021011120210 its reverse (1202111012021), we get a palindrome (13223122132231).

The spelling of 12021011120210 in words is "twelve trillion, twenty-one billion, eleven million, one hundred twenty thousand, two hundred ten".