10203222001012 has 12 divisors (see below), whose sum is σ = 17855788285636. Its totient is φ = 5101568205120.

The previous prime is 10203222000989. The next prime is 10203222001013. The reversal of 10203222001012 is 21010022230201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7268016997476 + 2935205003536 = 2695926^2 + 1713244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203222001013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10159383 + ... + 11118430.

Almost surely, 2^{10203222001012} is an apocalyptic number.

It is an amenable number.

10203222001012 is a deficient number, since it is larger than the sum of its proper divisors (7652566284624).

10203222001012 is a wasteful number, since it uses less digits than its factorization.

10203222001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21397698 (or 21397696 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10203222001012 its reverse (21010022230201), we get a palindrome (31213244231213).

The spelling of 10203222001012 in words is "ten trillion, two hundred three billion, two hundred twenty-two million, one thousand, twelve".