2001011212012 has 12 divisors (see below), whose sum is σ = 3559175680816. Its totient is φ = 984103874640.

The previous prime is 2001011212007. The next prime is 2001011212019. The reversal of 2001011212012 is 2102121101002.

It is a junction number, because it is equal to n+sod(n) for n = 2001011211983 and 2001011212001.

It is not an unprimeable number, because it can be changed into a prime (2001011212019) 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, 4100432568 + ... + 4100433055.

Almost surely, 2^{2001011212012} is an apocalyptic number.

It is an amenable number.

2001011212012 is a deficient number, since it is larger than the sum of its proper divisors (1558164468804).

2001011212012 is a wasteful number, since it uses less digits than its factorization.

2001011212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200865688 (or 8200865686 counting only the distinct ones).

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

Adding to 2001011212012 its reverse (2102121101002), we get a palindrome (4103132313014).

The spelling of 2001011212012 in words is "two trillion, one billion, eleven million, two hundred twelve thousand, twelve".