12021100020210 has 32 divisors (see below), whose sum is σ = 28995618153600. Its totient is φ = 3189517993728.

The previous prime is 12021100020199. The next prime is 12021100020211. The reversal of 12021100020210 is 1202000112021.

It is not an unprimeable number, because it can be changed into a prime (12021100020211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1006786327 + ... + 1006798266.

It is an arithmetic number, because the mean of its divisors is an integer number (906113067300).

Almost surely, 2^{12021100020210} is an apocalyptic number.

12021100020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021100020210 is an abundant number, since it is smaller than the sum of its proper divisors (16974518133390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021100020210 is a wasteful number, since it uses less digits than its factorization.

12021100020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013584802.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12021100020210 its reverse (1202000112021), we get a palindrome (13223100132231).

The spelling of 12021100020210 in words is "twelve trillion, twenty-one billion, one hundred million, twenty thousand, two hundred ten".