1202100001012 has 12 divisors (see below), whose sum is σ = 2103682933156. Its totient is φ = 601047734400.

The previous prime is 1202100001001. The next prime is 1202100001013. The reversal of 1202100001012 is 2101000012021.

It can be written as a sum of positive squares in 2 ways, for example, as 534764588176 + 667335412836 = 731276^2 + 816906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202100001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100001013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339678 + ... + 2049130.

Almost surely, 2^{1202100001012} is an apocalyptic number.

It is an amenable number.

1202100001012 is a deficient number, since it is larger than the sum of its proper divisors (901582932144).

1202100001012 is a wasteful number, since it uses less digits than its factorization.

1202100001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133058 (or 1133056 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1202100001012 its reverse (2101000012021), we get a palindrome (3303100013033).

The spelling of 1202100001012 in words is "one trillion, two hundred two billion, one hundred million, one thousand, twelve".