10212147 has 24 divisors (see below), whose sum is σ = 16651440. Its totient is φ = 5974080.

The previous prime is 10212131. The next prime is 10212151. The reversal of 10212147 is 74121201.

10212147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212147 - 2⁴ = 10212131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (693810).

Almost surely, 2^10212147 is an apocalyptic number.

10212147 is a deficient number, since it is larger than the sum of its proper divisors (6439293).

10212147 is a wasteful number, since it uses less digits than its factorization.

10212147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 10212147 is about 3195.6450053158. The cubic root of 10212147 is about 216.9563433735.

Adding to 10212147 its reverse (74121201), we get a palindrome (84333348).

The spelling of 10212147 in words is "ten million, two hundred twelve thousand, one hundred forty-seven".