212066952397560 has 2048 divisors, whose sum is σ = 823011840000000. Its totient is φ = 48140547637248.

The previous prime is 212066952397513. The next prime is 212066952397577. The reversal of 212066952397560 is 65793259660212.

It is a happy number.

212066952397560 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 6 + 69 + 5 + 2 + 3 + 9 + 7 + 560 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 590715744661 + ... + 590715745019.

It is an arithmetic number, because the mean of its divisors is an integer number (401861250000).

Almost surely, 2^{212066952397560} is an apocalyptic number.

212066952397560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212066952397560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411505920000000).

212066952397560 is an abundant number, since it is smaller than the sum of its proper divisors (610944887602440).

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

212066952397560 is a wasteful number, since it uses less digits than its factorization.

212066952397560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 212066952397560 in words is "two hundred twelve trillion, sixty-six billion, nine hundred fifty-two million, three hundred ninety-seven thousand, five hundred sixty".