212110121233 has 8 divisors (see below), whose sum is σ = 213366896640. Its totient is φ = 210856423680.

The previous prime is 212110121203. The next prime is 212110121291. The reversal of 212110121233 is 332121011212.

212110121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212110121233 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 212110121233.

It is not an unprimeable number, because it can be changed into a prime (212110121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631153 + ... + 906958.

It is an arithmetic number, because the mean of its divisors is an integer number (26670862080).

Almost surely, 2^212110121233 is an apocalyptic number.

It is an amenable number.

212110121233 is a deficient number, since it is larger than the sum of its proper divisors (1256775407).

212110121233 is a wasteful number, since it uses less digits than its factorization.

212110121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538927.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212110121233 its reverse (332121011212), we get a palindrome (544231132445).

The spelling of 212110121233 in words is "two hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, two hundred thirty-three".