2220210211212 has 144 divisors (see below), whose sum is σ = 6441750561792. Its totient is φ = 631598964480.

The previous prime is 2220210211199. The next prime is 2220210211283. The reversal of 2220210211212 is 2121120120222.

It is a happy number.

2220210211212 is a `hidden beast` number, since 2 + 220 + 21 + 0 + 211 + 212 = 666.

It is a super-4 number, since 4×2220210211212⁴ (a number of 50 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94196653 + ... + 94220219.

Almost surely, 2^{2220210211212} 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 2220210211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220875280896).

2220210211212 is an abundant number, since it is smaller than the sum of its proper divisors (4221540350580).

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

2220210211212 is a wasteful number, since it uses less digits than its factorization.

2220210211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25188 (or 25183 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2220210211212 its reverse (2121120120222), we get a palindrome (4341330331434).

The spelling of 2220210211212 in words is "two trillion, two hundred twenty billion, two hundred ten million, two hundred eleven thousand, two hundred twelve".