212066657010 has 96 divisors (see below), whose sum is σ = 612358289280. Its totient is φ = 52201012032.

The previous prime is 212066656973. The next prime is 212066657039. The reversal of 212066657010 is 10756660212.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2278134 + ... + 2369393.

It is an arithmetic number, because the mean of its divisors is an integer number (6378732180).

Almost surely, 2^212066657010 is an apocalyptic number.

212066657010 is an abundant number, since it is smaller than the sum of its proper divisors (400291632270).

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

212066657010 is a wasteful number, since it uses less digits than its factorization.

212066657010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647569 (or 4647550 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 212066657010 in words is "two hundred twelve billion, sixty-six million, six hundred fifty-seven thousand, ten".