212133112102 has 8 divisors (see below), whose sum is σ = 318202660512. Its totient is φ = 106065558600.

The previous prime is 212133112033. The next prime is 212133112109. The reversal of 212133112102 is 201211331212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212133112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196174 + ... + 680257.

It is an arithmetic number, because the mean of its divisors is an integer number (39775332564).

Almost surely, 2^212133112102 is an apocalyptic number.

212133112102 is a deficient number, since it is larger than the sum of its proper divisors (106069548410).

212133112102 is a wasteful number, since it uses less digits than its factorization.

212133112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997454.

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

Adding to 212133112102 its reverse (201211331212), we get a palindrome (413344443314).

The spelling of 212133112102 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred twelve thousand, one hundred two".