1000100212012 has 96 divisors (see below), whose sum is σ = 2065369453056. Its totient is φ = 418670208000.

The previous prime is 1000100211947. The next prime is 1000100212019. The reversal of 1000100212012 is 2102120010001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000100212012.

It is not an unprimeable number, because it can be changed into a prime (1000100212019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7501438 + ... + 7633594.

It is an arithmetic number, because the mean of its divisors is an integer number (21514265136).

Almost surely, 2^{1000100212012} is an apocalyptic number.

It is an amenable number.

1000100212012 is an abundant number, since it is smaller than the sum of its proper divisors (1065269241044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000100212012 is a wasteful number, since it uses less digits than its factorization.

1000100212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132407 (or 132405 counting only the distinct ones).

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

Adding to 1000100212012 its reverse (2102120010001), we get a palindrome (3102220222013).

The spelling of 1000100212012 in words is "one trillion, one hundred million, two hundred twelve thousand, twelve".