212502125 has 32 divisors (see below), whose sum is σ = 306364032. Its totient is φ = 145440000.

The previous prime is 212502119. The next prime is 212502133. The reversal of 212502125 is 521205212.

It is a happy number.

212502125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212502125 - 2¹⁶ = 212436589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212502097 and 212502106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18830 + ... + 27920.

It is an arithmetic number, because the mean of its divisors is an integer number (9573876).

Almost surely, 2^212502125 is an apocalyptic number.

212502125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212502125 is a deficient number, since it is larger than the sum of its proper divisors (93861907).

212502125 is a wasteful number, since it uses less digits than its factorization.

212502125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 212502125 is about 14577.4526238297. The cubic root of 212502125 is about 596.7435850957.

Adding to 212502125 its reverse (521205212), we get a palindrome (733707337).

The spelling of 212502125 in words is "two hundred twelve million, five hundred two thousand, one hundred twenty-five".