1040202120212 has 12 divisors (see below), whose sum is σ = 1883124528180. Its totient is φ = 502166540736.

The previous prime is 1040202120169. The next prime is 1040202120227. The reversal of 1040202120212 is 2120212020401.

It can be written as a sum of positive squares in 2 ways, for example, as 853062820996 + 187139299216 = 923614^2 + 432596^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 4483629713 + ... + 4483629944.

It is an arithmetic number, because the mean of its divisors is an integer number (156927044015).

Almost surely, 2^{1040202120212} is an apocalyptic number.

It is an amenable number.

1040202120212 is a deficient number, since it is larger than the sum of its proper divisors (842922407968).

1040202120212 is a wasteful number, since it uses less digits than its factorization.

1040202120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967259690 (or 8967259688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1040202120212 its reverse (2120212020401), we get a palindrome (3160414140613).

The spelling of 1040202120212 in words is "one trillion, forty billion, two hundred two million, one hundred twenty thousand, two hundred twelve".