2020002121012 has 6 divisors (see below), whose sum is σ = 3535003711778. Its totient is φ = 1010001060504.

The previous prime is 2020002120949. The next prime is 2020002121031. The reversal of 2020002121012 is 2101212000202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1911842697636 + 108159423376 = 1382694^2 + 328876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020002120983 and 2020002121001.

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, 252500265123 + ... + 252500265130.

Almost surely, 2^{2020002121012} is an apocalyptic number.

It is an amenable number.

2020002121012 is a deficient number, since it is larger than the sum of its proper divisors (1515001590766).

2020002121012 is a wasteful number, since it uses less digits than its factorization.

2020002121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505000530257 (or 505000530255 counting only the distinct ones).

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

Adding to 2020002121012 its reverse (2101212000202), we get a palindrome (4121214121214).

The spelling of 2020002121012 in words is "two trillion, twenty billion, two million, one hundred twenty-one thousand, twelve".