212273369 has 8 divisors (see below), whose sum is σ = 264652608. Its totient is φ = 165407760.

The previous prime is 212273357. The next prime is 212273387. The reversal of 212273369 is 963372212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212273369 is a prime.

It is a super-2 number, since 2×212273369² = 90119966373220322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212273569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378322 + ... + 1378475.

It is an arithmetic number, because the mean of its divisors is an integer number (33081576).

Almost surely, 2^212273369 is an apocalyptic number.

It is an amenable number.

212273369 is a deficient number, since it is larger than the sum of its proper divisors (52379239).

212273369 is a wasteful number, since it uses less digits than its factorization.

212273369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756815.

The product of its digits is 27216, while the sum is 35.

The square root of 212273369 is about 14569.6042842625. The cubic root of 212273369 is about 596.5293790994.

The spelling of 212273369 in words is "two hundred twelve million, two hundred seventy-three thousand, three hundred sixty-nine".