212210020001 has 16 divisors (see below), whose sum is σ = 256839264000. Its totient is φ = 171163100160.

The previous prime is 212210019947. The next prime is 212210020031. The reversal of 212210020001 is 100020012212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212210020001 - 2⁶ = 212210019937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212210020031) 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, 495500 + ... + 818498.

It is an arithmetic number, because the mean of its divisors is an integer number (16052454000).

Almost surely, 2^212210020001 is an apocalyptic number.

It is an amenable number.

212210020001 is a deficient number, since it is larger than the sum of its proper divisors (44629243999).

212210020001 is a wasteful number, since it uses less digits than its factorization.

212210020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328544.

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

Adding to 212210020001 its reverse (100020012212), we get a palindrome (312230032213).

The spelling of 212210020001 in words is "two hundred twelve billion, two hundred ten million, twenty thousand, one".