213130133122 has 8 divisors (see below), whose sum is σ = 321840805500. Its totient is φ = 105849864624.

The previous prime is 213130133119. The next prime is 213130133123. The reversal of 213130133122 is 221331031312.

It can be written as a sum of positive squares in 2 ways, for example, as 211497892321 + 1632240801 = 459889^2 + 40401^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213130133093 and 213130133102.

It is not an unprimeable number, because it can be changed into a prime (213130133123) 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, 357600597 + ... + 357601192.

Almost surely, 2^213130133122 is an apocalyptic number.

213130133122 is a deficient number, since it is larger than the sum of its proper divisors (108710672378).

213130133122 is a wasteful number, since it uses less digits than its factorization.

213130133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715201940.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213130133122 its reverse (221331031312), we get a palindrome (434461164434).

The spelling of 213130133122 in words is "two hundred thirteen billion, one hundred thirty million, one hundred thirty-three thousand, one hundred twenty-two".