212300013133 has 4 divisors (see below), whose sum is σ = 228630783388. Its totient is φ = 195969242880.

The previous prime is 212300013127. The next prime is 212300013137. The reversal of 212300013133 is 331310003212.

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 80337099844 + 131962913289 = 283438^2 + 363267^2 .

It is a cyclic number.

It is not a de Polignac number, because 212300013133 - 2⁹ = 212300012621 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 212300013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300013137) 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, 8165385108 + ... + 8165385133.

It is an arithmetic number, because the mean of its divisors is an integer number (57157695847).

Almost surely, 2^212300013133 is an apocalyptic number.

It is an amenable number.

212300013133 is a deficient number, since it is larger than the sum of its proper divisors (16330770255).

212300013133 is a wasteful number, since it uses less digits than its factorization.

212300013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16330770254.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 212300013133 its reverse (331310003212), we get a palindrome (543610016345).

The spelling of 212300013133 in words is "two hundred twelve billion, three hundred million, thirteen thousand, one hundred thirty-three".