212011012001 has 16 divisors (see below), whose sum is σ = 221705392896. Its totient is φ = 202356808896.

The previous prime is 212011011991. The next prime is 212011012033. The reversal of 212011012001 is 100210110212.

It is a cyclic number.

It is not a de Polignac number, because 212011012001 - 2⁶ = 212011011937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212011012201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25166276 + ... + 25174698.

It is an arithmetic number, because the mean of its divisors is an integer number (13856587056).

Almost surely, 2^212011012001 is an apocalyptic number.

It is an amenable number.

212011012001 is a deficient number, since it is larger than the sum of its proper divisors (9694380895).

212011012001 is a wasteful number, since it uses less digits than its factorization.

212011012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212011012001 its reverse (100210110212), we get a palindrome (312221122213).

The spelling of 212011012001 in words is "two hundred twelve billion, eleven million, twelve thousand, one".