12500122 has 8 divisors (see below), whose sum is σ = 18765216. Its totient is φ = 6245052.

The previous prime is 12500101. The next prime is 12500177. The reversal of 12500122 is 22100521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (2345652).

Almost surely, 2^12500122 is an apocalyptic number.

12500122 is a deficient number, since it is larger than the sum of its proper divisors (6265094).

12500122 is a wasteful number, since it uses less digits than its factorization.

12500122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12500122 is about 3535.5511592961. The cubic root of 12500122 is about 232.0801967100.

Adding to 12500122 its reverse (22100521), we get a palindrome (34600643).

The spelling of 12500122 in words is "twelve million, five hundred thousand, one hundred twenty-two".