212470566 has 48 divisors (see below), whose sum is σ = 539265600. Its totient is φ = 55186320.

The previous prime is 212470561. The next prime is 212470571. The reversal of 212470566 is 665074212.

It is an interprime number because it is at equal distance from previous prime (212470561) and next prime (212470571).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212470561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29616 + ... + 36083.

It is an arithmetic number, because the mean of its divisors is an integer number (11234700).

Almost surely, 2^212470566 is an apocalyptic number.

212470566 is an abundant number, since it is smaller than the sum of its proper divisors (326795034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212470566 is a wasteful number, since it uses less digits than its factorization.

212470566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65729 (or 65722 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 212470566 is about 14576.3701242799. The cubic root of 212470566 is about 596.7140425469.

The spelling of 212470566 in words is "two hundred twelve million, four hundred seventy thousand, five hundred sixty-six".