10222212121012 has 6 divisors (see below), whose sum is σ = 17888871211778. Its totient is φ = 5111106060504.

The previous prime is 10222212120941. The next prime is 10222212121039. The reversal of 10222212121012 is 21012121222201.

It can be written as a sum of positive squares in only one way, i.e., 8759670186276 + 1462541934736 = 2959674^2 + 1209356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277776515123 + ... + 1277776515130.

Almost surely, 2^{10222212121012} is an apocalyptic number.

It is an amenable number.

10222212121012 is a deficient number, since it is larger than the sum of its proper divisors (7666659090766).

10222212121012 is a wasteful number, since it uses less digits than its factorization.

10222212121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555553030257 (or 2555553030255 counting only the distinct ones).

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

Adding to 10222212121012 its reverse (21012121222201), we get a palindrome (31234333343213).

The spelling of 10222212121012 in words is "ten trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, twelve".