1202002001012 has 12 divisors (see below), whose sum is σ = 2105266715076. Its totient is φ = 600497225280.

The previous prime is 1202002000999. The next prime is 1202002001017. The reversal of 1202002001012 is 2101002002021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 417282408676 + 784719592336 = 645974^2 + 885844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202002000984 and 1202002001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202002001017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125938439 + ... + 125947982.

It is an arithmetic number, because the mean of its divisors is an integer number (175438892923).

Almost surely, 2^{1202002001012} is an apocalyptic number.

It is an amenable number.

1202002001012 is a deficient number, since it is larger than the sum of its proper divisors (903264714064).

1202002001012 is a wasteful number, since it uses less digits than its factorization.

1202002001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251887618 (or 251887616 counting only the distinct ones).

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

Adding to 1202002001012 its reverse (2101002002021), we get a palindrome (3303004003033).

It can be divided in two parts, 120200 and 2001012, that added together give a palindrome (2121212).

The spelling of 1202002001012 in words is "one trillion, two hundred two billion, two million, one thousand, twelve".