20212001200001 has 16 divisors (see below), whose sum is σ = 22030200327744. Its totient is φ = 18431458976064.

The previous prime is 20212001199947. The next prime is 20212001200007. The reversal of 20212001200001 is 10000210021202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20212001200001 - 2¹⁴ = 20212001183617 is a prime.

It is a super-3 number, since 3×20212001200001³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212001200007) 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, 20048930 + ... + 21032916.

It is an arithmetic number, because the mean of its divisors is an integer number (1376887520484).

Almost surely, 2^{20212001200001} is an apocalyptic number.

It is an amenable number.

20212001200001 is a deficient number, since it is larger than the sum of its proper divisors (1818199127743).

20212001200001 is a wasteful number, since it uses less digits than its factorization.

20212001200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003120.

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

Adding to 20212001200001 its reverse (10000210021202), we get a palindrome (30212211221203).

The spelling of 20212001200001 in words is "twenty trillion, two hundred twelve billion, one million, two hundred thousand, one".