2221202000212 has 24 divisors (see below), whose sum is σ = 4227558120072. Its totient is φ = 1015019952000.

The previous prime is 2221202000177. The next prime is 2221202000219. The reversal of 2221202000212 is 2120002021222.

It can be written as a sum of positive squares in 4 ways, for example, as 1018416015556 + 1202785984656 = 1009166^2 + 1096716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221202000219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211457239 + ... + 211467742.

It is an arithmetic number, because the mean of its divisors is an integer number (176148255003).

Almost surely, 2^{2221202000212} is an apocalyptic number.

It is an amenable number.

2221202000212 is a deficient number, since it is larger than the sum of its proper divisors (2006356119860).

2221202000212 is a wasteful number, since it uses less digits than its factorization.

2221202000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422925099 (or 422925097 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2221202000212 its reverse (2120002021222), we get a palindrome (4341204021434).

The spelling of 2221202000212 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve", and thus it is an aban number.