2020001021012 has 24 divisors (see below), whose sum is σ = 3806992935816. Its totient is φ = 932291526528.

The previous prime is 2020001020991. The next prime is 2020001021023. The reversal of 2020001021012 is 2101201000202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 209996728516 + 1810004292496 = 458254^2 + 1345364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020001020984 and 2020001021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881778 + ... + 3513494.

It is an arithmetic number, because the mean of its divisors is an integer number (158624705659).

Almost surely, 2^{2020001021012} is an apocalyptic number.

It is an amenable number.

2020001021012 is a deficient number, since it is larger than the sum of its proper divisors (1786991914804).

2020001021012 is a wasteful number, since it uses less digits than its factorization.

2020001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693227 (or 693225 counting only the distinct ones).

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

Adding to 2020001021012 its reverse (2101201000202), we get a palindrome (4121202021214).

The spelling of 2020001021012 in words is "two trillion, twenty billion, one million, twenty-one thousand, twelve".