212302023133 has 4 divisors (see below), whose sum is σ = 212312270880. Its totient is φ = 212291775388.

The previous prime is 212302023077. The next prime is 212302023137. The reversal of 212302023133 is 331320203212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212302023133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302023137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092735 + ... + 5134252.

It is an arithmetic number, because the mean of its divisors is an integer number (53078067720).

Almost surely, 2^212302023133 is an apocalyptic number.

It is an amenable number.

212302023133 is a deficient number, since it is larger than the sum of its proper divisors (10247747).

212302023133 is a wasteful number, since it uses less digits than its factorization.

212302023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247746.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212302023133 its reverse (331320203212), we get a palindrome (543622226345).

The spelling of 212302023133 in words is "two hundred twelve billion, three hundred two million, twenty-three thousand, one hundred thirty-three".