212766430 has 8 divisors (see below), whose sum is σ = 382979592. Its totient is φ = 85106568.

The previous prime is 212766413. The next prime is 212766461. The reversal of 212766430 is 34667212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212766392 and 212766401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10638312 + ... + 10638331.

It is an arithmetic number, because the mean of its divisors is an integer number (47872449).

Almost surely, 2^212766430 is an apocalyptic number.

212766430 is a deficient number, since it is larger than the sum of its proper divisors (170213162).

212766430 is a wasteful number, since it uses less digits than its factorization.

212766430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276650.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 212766430 is about 14586.5153480878. The cubic root of 212766430 is about 596.9908876705.

The spelling of 212766430 in words is "two hundred twelve million, seven hundred sixty-six thousand, four hundred thirty".