2220210001212 has 144 divisors (see below), whose sum is σ = 6091733329920. Its totient is φ = 627493574400.

The previous prime is 2220210001193. The next prime is 2220210001267. The reversal of 2220210001212 is 2121000120222.

It is a junction number, because it is equal to n+sod(n) for n = 2220210001191 and 2220210001200.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 20047912 + ... + 20158352.

It is an arithmetic number, because the mean of its divisors is an integer number (42303703680).

Almost surely, 2^{2220210001212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220210001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045866664960).

2220210001212 is an abundant number, since it is smaller than the sum of its proper divisors (3871523328708).

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

2220210001212 is a wasteful number, since it uses less digits than its factorization.

2220210001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110832 (or 110823 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220210001212 its reverse (2121000120222), we get a palindrome (4341210121434).

The spelling of 2220210001212 in words is "two trillion, two hundred twenty billion, two hundred ten million, one thousand, two hundred twelve".