12122750 has 16 divisors (see below), whose sum is σ = 22694256. Its totient is φ = 4849000.

The previous prime is 12122723. The next prime is 12122807. The reversal of 12122750 is 5722121.

It is a super-2 number, since 2×12122750² = 293922135125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23996 + ... + 24495.

It is an arithmetic number, because the mean of its divisors is an integer number (1418391).

Almost surely, 2^12122750 is an apocalyptic number.

12122750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122750 is a deficient number, since it is larger than the sum of its proper divisors (10571506).

12122750 is an equidigital number, since it uses as much as digits as its factorization.

12122750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48508 (or 48498 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12122750 is about 3481.7739731350. The cubic root of 12122750 is about 229.7208333161.

Adding to 12122750 its reverse (5722121), we get a palindrome (17844871).

The spelling of 12122750 in words is "twelve million, one hundred twenty-two thousand, seven hundred fifty".