212112222003001 has 4 divisors (see below), whose sum is σ = 212112924261412. Its totient is φ = 212111519744592.

The previous prime is 212112222002959. The next prime is 212112222003107. The reversal of 212112222003001 is 100300222211212.

212112222003001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28817313566976 + 183294908436025 = 5368176^2 + 13538645^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112222003001 - 2¹⁷ = 212112221871929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212112222003001.

It is not an unprimeable number, because it can be changed into a prime (212112222009001) 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, 350675946 + ... + 351280291.

It is an arithmetic number, because the mean of its divisors is an integer number (53028231065353).

Almost surely, 2^{212112222003001} is an apocalyptic number.

It is an amenable number.

212112222003001 is a deficient number, since it is larger than the sum of its proper divisors (702258411).

212112222003001 is an equidigital number, since it uses as much as digits as its factorization.

212112222003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702258410.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212112222003001 its reverse (100300222211212), we get a palindrome (312412444214213).

The spelling of 212112222003001 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, three thousand, one".