20000201021012 has 24 divisors (see below), whose sum is σ = 35015593305000. Its totient is φ = 9995746323456.

The previous prime is 20000201020979. The next prime is 20000201021033. The reversal of 20000201021012 is 21012010200002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 585919826116 + 19414281194896 = 765454^2 + 4406164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20000201020984 and 20000201021002.

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 7 ways as a sum of consecutive naturals, for example, 174658208 + ... + 174772680.

It is an arithmetic number, because the mean of its divisors is an integer number (1458983054375).

Almost surely, 2^{20000201021012} is an apocalyptic number.

It is an amenable number.

20000201021012 is a deficient number, since it is larger than the sum of its proper divisors (15015392283988).

20000201021012 is a wasteful number, since it uses less digits than its factorization.

20000201021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133115 (or 133113 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000201021012 its reverse (21012010200002), we get a palindrome (41012211221014).

The spelling of 20000201021012 in words is "twenty trillion, two hundred one million, twenty-one thousand, twelve".