212101302133 has 16 divisors (see below), whose sum is σ = 248008573440. Its totient is φ = 177624510336.

The previous prime is 212101302121. The next prime is 212101302137. The reversal of 212101302133 is 331203101212.

It is a de Polignac number, because none of the positive numbers 2^k-212101302133 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 212101302133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101302137) 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, 1107360 + ... + 1284697.

It is an arithmetic number, because the mean of its divisors is an integer number (15500535840).

Almost surely, 2^212101302133 is an apocalyptic number.

It is an amenable number.

212101302133 is a deficient number, since it is larger than the sum of its proper divisors (35907271307).

212101302133 is a wasteful number, since it uses less digits than its factorization.

212101302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392356.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212101302133 its reverse (331203101212), we get a palindrome (543304403345).

The spelling of 212101302133 in words is "two hundred twelve billion, one hundred one million, three hundred two thousand, one hundred thirty-three".