10212102122212 has 6 divisors (see below), whose sum is σ = 17871178713878. Its totient is φ = 5106051061104.

The previous prime is 10212102122141. The next prime is 10212102122281. The reversal of 10212102122212 is 21222120121201.

It can be written as a sum of positive squares in only one way, i.e., 8183169669376 + 2028932452836 = 2860624^2 + 1424406^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10212102122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276512765273 + ... + 1276512765280.

Almost surely, 2^{10212102122212} is an apocalyptic number.

It is an amenable number.

10212102122212 is a deficient number, since it is larger than the sum of its proper divisors (7659076591666).

10212102122212 is a wasteful number, since it uses less digits than its factorization.

10212102122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553025530557 (or 2553025530555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212102122212 its reverse (21222120121201), we get a palindrome (31434222243413).

The spelling of 10212102122212 in words is "ten trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred twelve".