2212222110212 has 6 divisors (see below), whose sum is σ = 3871388692878. Its totient is φ = 1106111055104.

The previous prime is 2212222110191. The next prime is 2212222110221. The reversal of 2212222110212 is 2120112222122.

It can be written as a sum of positive squares in only one way, i.e., 1881983397316 + 330238712896 = 1371854^2 + 574664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276527763773 + ... + 276527763780.

It is an arithmetic number, because the mean of its divisors is an integer number (645231448813).

Almost surely, 2^{2212222110212} is an apocalyptic number.

It is an amenable number.

2212222110212 is a deficient number, since it is larger than the sum of its proper divisors (1659166582666).

2212222110212 is a wasteful number, since it uses less digits than its factorization.

2212222110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553055527557 (or 553055527555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212222110212 its reverse (2120112222122), we get a palindrome (4332334332334).

The spelling of 2212222110212 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, two hundred twelve".