125040212 has 12 divisors (see below), whose sum is σ = 238713216. Its totient is φ = 56836440.

The previous prime is 125040211. The next prime is 125040229. The reversal of 125040212 is 212040521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125040211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420868 + ... + 1420955.

It is an arithmetic number, because the mean of its divisors is an integer number (19892768).

Almost surely, 2^125040212 is an apocalyptic number.

It is an amenable number.

125040212 is a deficient number, since it is larger than the sum of its proper divisors (113673004).

125040212 is a wasteful number, since it uses less digits than its factorization.

125040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841838 (or 2841836 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 125040212 is about 11182.1380782031. The cubic root of 125040212 is about 500.0536102517.

Adding to 125040212 its reverse (212040521), we get a palindrome (337080733).

The spelling of 125040212 in words is "one hundred twenty-five million, forty thousand, two hundred twelve".