212429570 has 8 divisors (see below), whose sum is σ = 382373244. Its totient is φ = 84971824.

The previous prime is 212429549. The next prime is 212429573. The reversal of 212429570 is 75924212.

It can be written as a sum of positive squares in 2 ways, for example, as 209467729 + 2961841 = 14473^2 + 1721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212429573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10621469 + ... + 10621488.

Almost surely, 2^212429570 is an apocalyptic number.

212429570 is a deficient number, since it is larger than the sum of its proper divisors (169943674).

212429570 is a wasteful number, since it uses less digits than its factorization.

212429570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242964.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 212429570 is about 14574.9638078453. The cubic root of 212429570 is about 596.6756616034.

The spelling of 212429570 in words is "two hundred twelve million, four hundred twenty-nine thousand, five hundred seventy".