213112269 has 8 divisors (see below), whose sum is σ = 315721920. Its totient is φ = 142074828.

The previous prime is 213112247. The next prime is 213112283. The reversal of 213112269 is 962211312.

It is not a de Polignac number, because 213112269 - 2¹⁶ = 213046733 is a prime.

It is a super-2 number, since 2×213112269² = 90833678396656722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7893047 = 213112269 / (2 + 1 + 3 + 1 + 1 + 2 + 2 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946497 + ... + 3946550.

It is an arithmetic number, because the mean of its divisors is an integer number (39465240).

Almost surely, 2^213112269 is an apocalyptic number.

It is an amenable number.

213112269 is a deficient number, since it is larger than the sum of its proper divisors (102609651).

213112269 is an equidigital number, since it uses as much as digits as its factorization.

213112269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893056 (or 7893050 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 213112269 is about 14598.3652851955. The cubic root of 213112269 is about 597.3141701361.

It can be divided in two parts, 2131 and 12269, that added together give a square (14400 = 120²).

The spelling of 213112269 in words is "two hundred thirteen million, one hundred twelve thousand, two hundred sixty-nine".