12021102210210 has 64 divisors (see below), whose sum is σ = 29641345725312. Its totient is φ = 3117835708416.

The previous prime is 12021102210023. The next prime is 12021102210223. The reversal of 12021102210210 is 1201220112021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12021102210210.

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 31 ways as a sum of consecutive naturals, for example, 1004434 + ... + 5005106.

It is an arithmetic number, because the mean of its divisors is an integer number (463146026958).

Almost surely, 2^{12021102210210} is an apocalyptic number.

12021102210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021102210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14820672862656).

12021102210210 is an abundant number, since it is smaller than the sum of its proper divisors (17620243515102).

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

12021102210210 is a wasteful number, since it uses less digits than its factorization.

12021102210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003427.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021102210210 its reverse (1201220112021), we get a palindrome (13222322322231).

The spelling of 12021102210210 in words is "twelve trillion, twenty-one billion, one hundred two million, two hundred ten thousand, two hundred ten".