12131950 has 12 divisors (see below), whose sum is σ = 22565520. Its totient is φ = 4852760.

The previous prime is 12131939. The next prime is 12131953. The reversal of 12131950 is 5913121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131953) 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, 121270 + ... + 121369.

It is an arithmetic number, because the mean of its divisors is an integer number (1880460).

Almost surely, 2^12131950 is an apocalyptic number.

12131950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131950 is a deficient number, since it is larger than the sum of its proper divisors (10433570).

12131950 is a wasteful number, since it uses less digits than its factorization.

12131950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242651 (or 242646 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12131950 is about 3483.0948881706. The cubic root of 12131950 is about 229.7789306197.

The spelling of 12131950 in words is "twelve million, one hundred thirty-one thousand, nine hundred fifty".