10202200021012 has 6 divisors (see below), whose sum is σ = 17853850036778. Its totient is φ = 5101100010504.

The previous prime is 10202200020959. The next prime is 10202200021049. The reversal of 10202200021012 is 21012000220201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7080207869956 + 3121992151056 = 2660866^2 + 1766916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10202200020983 and 10202200021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275275002623 + ... + 1275275002630.

Almost surely, 2^{10202200021012} is an apocalyptic number.

It is an amenable number.

10202200021012 is a deficient number, since it is larger than the sum of its proper divisors (7651650015766).

10202200021012 is a wasteful number, since it uses less digits than its factorization.

10202200021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550550005257 (or 2550550005255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202200021012 its reverse (21012000220201), we get a palindrome (31214200241213).

The spelling of 10202200021012 in words is "ten trillion, two hundred two billion, two hundred million, twenty-one thousand, twelve".