212717127 has 8 divisors (see below), whose sum is σ = 324140416. Its totient is φ = 121552632.

The previous prime is 212717123. The next prime is 212717147. The reversal of 212717127 is 721717212.

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

It is not a de Polignac number, because 212717127 - 2² = 212717123 is a prime.

It is a super-2 number, since 2×212717127² = 90497152238268258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212717094 and 212717103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212717123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064673 + ... + 5064714.

It is an arithmetic number, because the mean of its divisors is an integer number (40517552).

Almost surely, 2^212717127 is an apocalyptic number.

212717127 is a deficient number, since it is larger than the sum of its proper divisors (111423289).

212717127 is a wasteful number, since it uses less digits than its factorization.

212717127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129397.

The product of its digits is 2744, while the sum is 30.

The square root of 212717127 is about 14584.8252303550. The cubic root of 212717127 is about 596.9447718187.

The spelling of 212717127 in words is "two hundred twelve million, seven hundred seventeen thousand, one hundred twenty-seven".