12150122 has 8 divisors (see below), whose sum is σ = 18320196. Its totient is φ = 6043392.

The previous prime is 12150107. The next prime is 12150137. The reversal of 12150122 is 22105121.

It is an interprime number because it is at equal distance from previous prime (12150107) and next prime (12150137).

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 32761 = 3481^2 + 181^2 .

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

It is a super-2 number, since 2×12150122² = 295250929229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12150097 and 12150106.

It is an unprimeable number.

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, 15353 + ... + 16124.

Almost surely, 2^12150122 is an apocalyptic number.

12150122 is a deficient number, since it is larger than the sum of its proper divisors (6170074).

12150122 is a wasteful number, since it uses less digits than its factorization.

12150122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31672.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12150122 is about 3485.7025116897. The cubic root of 12150122 is about 229.8935991785.

Adding to 12150122 its reverse (22105121), we get a palindrome (34255243).

The spelling of 12150122 in words is "twelve million, one hundred fifty thousand, one hundred twenty-two".