10202212202212 has 6 divisors (see below), whose sum is σ = 17853871353878. Its totient is φ = 5101106101104.

The previous prime is 10202212202137. The next prime is 10202212202219. The reversal of 10202212202212 is 21220221220201.

It can be written as a sum of positive squares in only one way, i.e., 10164772274176 + 37439928036 = 3188224^2 + 193494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10202212202212.

It is not an unprimeable number, because it can be changed into a prime (10202212202219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275276525273 + ... + 1275276525280.

Almost surely, 2^{10202212202212} is an apocalyptic number.

It is an amenable number.

10202212202212 is a deficient number, since it is larger than the sum of its proper divisors (7651659151666).

10202212202212 is a wasteful number, since it uses less digits than its factorization.

10202212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550553050557 (or 2550553050555 counting only the distinct ones).

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

Adding to 10202212202212 its reverse (21220221220201), we get a palindrome (31422433422413).

The spelling of 10202212202212 in words is "ten trillion, two hundred two billion, two hundred twelve million, two hundred two thousand, two hundred twelve".