1201002002012 has 24 divisors (see below), whose sum is σ = 2108513860992. Its totient is φ = 598572504000.

The previous prime is 1201002002009. The next prime is 1201002002041. The reversal of 1201002002012 is 2102002001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201002001984 and 1201002002002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207637 + ... + 1964787.

It is an arithmetic number, because the mean of its divisors is an integer number (87854744208).

Almost surely, 2^{1201002002012} is an apocalyptic number.

It is an amenable number.

1201002002012 is a deficient number, since it is larger than the sum of its proper divisors (907511858980).

1201002002012 is a wasteful number, since it uses less digits than its factorization.

1201002002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758429 (or 758427 counting only the distinct ones).

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

Adding to 1201002002012 its reverse (2102002001021), we get a palindrome (3303004003033).

Subtracting 1201002002012 from its reverse (2102002001021), we obtain a palindrome (900999999009).

The spelling of 1201002002012 in words is "one trillion, two hundred one billion, two million, two thousand, twelve".