212333020001 has 4 divisors (see below), whose sum is σ = 212805922500. Its totient is φ = 211860117504.

The previous prime is 212333019991. The next prime is 212333020043. The reversal of 212333020001 is 100020333212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63395686225 + 148937333776 = 251785^2 + 385924^2 .

It is a cyclic number.

It is not a de Polignac number, because 212333020001 - 2¹⁰ = 212333018977 is a prime.

It is a super-2 number, since 2×212333020001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212333020061) 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, 236450576 + ... + 236451473.

It is an arithmetic number, because the mean of its divisors is an integer number (53201480625).

Almost surely, 2^212333020001 is an apocalyptic number.

It is an amenable number.

212333020001 is a deficient number, since it is larger than the sum of its proper divisors (472902499).

212333020001 is an equidigital number, since it uses as much as digits as its factorization.

212333020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472902498.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212333020001 its reverse (100020333212), we get a palindrome (312353353213).

The spelling of 212333020001 in words is "two hundred twelve billion, three hundred thirty-three million, twenty thousand, one".