12210273 has 6 divisors (see below), whose sum is σ = 17637074. Its totient is φ = 8140176.

The previous prime is 12210269. The next prime is 12210277. The reversal of 12210273 is 37201221.

It is an interprime number because it is at equal distance from previous prime (12210269) and next prime (12210277).

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 431649 = 3432^2 + 657^2 .

It is not a de Polignac number, because 12210273 - 2² = 12210269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678340 + ... + 678357.

Almost surely, 2^12210273 is an apocalyptic number.

It is an amenable number.

12210273 is a deficient number, since it is larger than the sum of its proper divisors (5426801).

12210273 is a wasteful number, since it uses less digits than its factorization.

12210273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356703 (or 1356700 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12210273 is about 3494.3201055427. The cubic root of 12210273 is about 230.2723490846.

Adding to 12210273 its reverse (37201221), we get a palindrome (49411494).

The spelling of 12210273 in words is "twelve million, two hundred ten thousand, two hundred seventy-three".