9213223129 has 16 divisors (see below), whose sum is σ = 10400132160. Its totient is φ = 8088917760.

The previous prime is 9213223109. The next prime is 9213223133.

9213223129 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9213223129 - 2¹¹ = 9213221081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9213223094 and 9213223103.

It is not an unprimeable number, because it can be changed into a prime (9213223109) 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, 67332 + ... + 151525.

It is an arithmetic number, because the mean of its divisors is an integer number (650008260).

Almost surely, 2^9213223129 is an apocalyptic number.

It is an amenable number.

9213223129 is a deficient number, since it is larger than the sum of its proper divisors (1186909031).

9213223129 is a wasteful number, since it uses less digits than its factorization.

9213223129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219000.

The product of its digits is 11664, while the sum is 34.

The square root of 9213223129 is about 95985.5360405931. The cubic root of 9213223129 is about 2096.3825195389.

The spelling of 9213223129 in words is "nine billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-nine".