12211020010002 has 128 divisors (see below), whose sum is σ = 28383594393600. Its totient is φ = 3461180405760.

The previous prime is 12211020009989. The next prime is 12211020010037. The reversal of 12211020010002 is 20001002011221.

It is a self number, because there is not a number n which added to its sum of digits gives 12211020010002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198016758 + ... + 198078414.

It is an arithmetic number, because the mean of its divisors is an integer number (221746831200).

Almost surely, 2^{12211020010002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211020010002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14191797196800).

12211020010002 is an abundant number, since it is smaller than the sum of its proper divisors (16172574383598).

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

12211020010002 is a wasteful number, since it uses less digits than its factorization.

12211020010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62776.

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

Adding to 12211020010002 its reverse (20001002011221), we get a palindrome (32212022021223).

The spelling of 12211020010002 in words is "twelve trillion, two hundred eleven billion, twenty million, ten thousand, two".