2002001201012 has 6 divisors (see below), whose sum is σ = 3503502101778. Its totient is φ = 1001000600504.

The previous prime is 2002001200961. The next prime is 2002001201087. The reversal of 2002001201012 is 2101021002002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1749810422416 + 252190778596 = 1322804^2 + 502186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002001200984 and 2002001201002.

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, 250250150123 + ... + 250250150130.

It is an arithmetic number, because the mean of its divisors is an integer number (583917016963).

Almost surely, 2^{2002001201012} is an apocalyptic number.

It is an amenable number.

2002001201012 is a deficient number, since it is larger than the sum of its proper divisors (1501500900766).

2002001201012 is a wasteful number, since it uses less digits than its factorization.

2002001201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500500300257 (or 500500300255 counting only the distinct ones).

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

Adding to 2002001201012 its reverse (2101021002002), we get a palindrome (4103022203014).

The spelling of 2002001201012 in words is "two trillion, two billion, one million, two hundred one thousand, twelve".