12022057 has 4 divisors (see below), whose sum is σ = 12138880. Its totient is φ = 11905236.

The previous prime is 12022039. The next prime is 12022081. The reversal of 12022057 is 75022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75022021 = 23 ⋅3261827.

It is a cyclic number.

It is not a de Polignac number, because 12022057 - 2²³ = 3633449 is a prime.

It is a super-2 number, since 2×12022057² = 289059709022498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022007) 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 3 ways as a sum of consecutive naturals, for example, 58257 + ... + 58462.

It is an arithmetic number, because the mean of its divisors is an integer number (3034720).

Almost surely, 2^12022057 is an apocalyptic number.

It is an amenable number.

12022057 is a deficient number, since it is larger than the sum of its proper divisors (116823).

12022057 is a wasteful number, since it uses less digits than its factorization.

12022057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116822.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12022057 is about 3467.2838072474. The cubic root of 12022057 is about 229.0830346658.

Adding to 12022057 its reverse (75022021), we get a palindrome (87044078).

The spelling of 12022057 in words is "twelve million, twenty-two thousand, fifty-seven".