2001212000012 has 12 divisors (see below), whose sum is σ = 3502909619496. Its totient is φ = 1000380680160.

The previous prime is 2001212000009. The next prime is 2001212000033. The reversal of 2001212000012 is 2100002121002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001211999957 and 2001212000002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56309978 + ... + 56345505.

It is an arithmetic number, because the mean of its divisors is an integer number (291909134958).

Almost surely, 2^{2001212000012} is an apocalyptic number.

It is an amenable number.

2001212000012 is a deficient number, since it is larger than the sum of its proper divisors (1501697619484).

2001212000012 is a wasteful number, since it uses less digits than its factorization.

2001212000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112659928 (or 112659926 counting only the distinct ones).

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

Adding to 2001212000012 its reverse (2100002121002), we get a palindrome (4101214121014).

The spelling of 2001212000012 in words is "two trillion, one billion, two hundred twelve million, twelve", and thus it is an aban number.