212966428 has 6 divisors (see below), whose sum is σ = 372691256. Its totient is φ = 106483212.

The previous prime is 212966419. The next prime is 212966437. The reversal of 212966428 is 824669212.

It is an interprime number because it is at equal distance from previous prime (212966419) and next prime (212966437).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26620800 + ... + 26620807.

Almost surely, 2^212966428 is an apocalyptic number.

It is an amenable number.

212966428 is a deficient number, since it is larger than the sum of its proper divisors (159724828).

212966428 is a wasteful number, since it uses less digits than its factorization.

212966428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53241611 (or 53241609 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 212966428 is about 14593.3693162340. The cubic root of 212966428 is about 597.1778839501.

The spelling of 212966428 in words is "two hundred twelve million, nine hundred sixty-six thousand, four hundred twenty-eight".