212066266452 has 48 divisors (see below), whose sum is σ = 502287804480. Its totient is φ = 69622451712.

The previous prime is 212066266397. The next prime is 212066266453. The reversal of 212066266452 is 254662660212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212066266453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6026124 + ... + 6061212.

It is an arithmetic number, because the mean of its divisors is an integer number (10464329260).

Almost surely, 2^212066266452 is an apocalyptic number.

It is an amenable number.

212066266452 is an abundant number, since it is smaller than the sum of its proper divisors (290221538028).

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

212066266452 is a wasteful number, since it uses less digits than its factorization.

212066266452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42680 (or 42678 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 212066266452 in words is "two hundred twelve billion, sixty-six million, two hundred sixty-six thousand, four hundred fifty-two".