125004212 has 12 divisors (see below), whose sum is σ = 218880900. Its totient is φ = 62466816.

The previous prime is 125004193. The next prime is 125004221. The reversal of 125004212 is 212400521.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 114789796 = 3196^2 + 10714^2 .

It is a congruent number.

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, 164 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (18240075).

Almost surely, 2^125004212 is an apocalyptic number.

It is an amenable number.

125004212 is a deficient number, since it is larger than the sum of its proper divisors (93876688).

125004212 is a wasteful number, since it uses less digits than its factorization.

125004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17650 (or 17648 counting only the distinct ones).

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

The square root of 125004212 is about 11180.5282522786. The cubic root of 125004212 is about 500.0056159369.

Adding to 125004212 its reverse (212400521), we get a palindrome (337404733).

The spelling of 125004212 in words is "one hundred twenty-five million, four thousand, two hundred twelve".