1001202011212 has 36 divisors (see below), whose sum is σ = 1913083001760. Its totient is φ = 455763065472.

The previous prime is 1001202011177. The next prime is 1001202011231. The reversal of 1001202011212 is 2121102021001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1001202011192 and 1001202011201.

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 in 11 ways as a sum of consecutive naturals, for example, 1529412 + ... + 2083627.

Almost surely, 2^{1001202011212} is an apocalyptic number.

It is an amenable number.

1001202011212 is a deficient number, since it is larger than the sum of its proper divisors (911880990548).

1001202011212 is a wasteful number, since it uses less digits than its factorization.

1001202011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613202 (or 3613127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001202011212 its reverse (2121102021001), we get a palindrome (3122304032213).

The spelling of 1001202011212 in words is "one trillion, one billion, two hundred two million, eleven thousand, two hundred twelve".