212148425 has 12 divisors (see below), whose sum is σ = 263442960. Its totient is φ = 169474320.

The previous prime is 212148413. The next prime is 212148449. The reversal of 212148425 is 524841212.

It is not a de Polignac number, because 212148425 - 2⁶ = 212148361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12734 + ... + 24216.

It is an arithmetic number, because the mean of its divisors is an integer number (21953580).

Almost surely, 2^212148425 is an apocalyptic number.

212148425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212148425 is a deficient number, since it is larger than the sum of its proper divisors (51294535).

212148425 is a wasteful number, since it uses less digits than its factorization.

212148425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232 (or 12227 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 212148425 is about 14565.3158221853. The cubic root of 212148425 is about 596.4123171631.

Adding to 212148425 its reverse (524841212), we get a palindrome (736989637).

The spelling of 212148425 in words is "two hundred twelve million, one hundred forty-eight thousand, four hundred twenty-five".