2221202212012 has 36 divisors (see below), whose sum is σ = 4524770427240. Its totient is φ = 951304362624.

The previous prime is 2221202211983. The next prime is 2221202212081. The reversal of 2221202212012 is 2102122021222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3513618 + ... + 4097305.

Almost surely, 2^{2221202212012} is an apocalyptic number.

It is an amenable number.

2221202212012 is an abundant number, since it is smaller than the sum of its proper divisors (2303568215228).

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

2221202212012 is a wasteful number, since it uses less digits than its factorization.

2221202212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612430 (or 7612421 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221202212012 its reverse (2102122021222), we get a palindrome (4323324233234).

The spelling of 2221202212012 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twelve".