212990170080768 has 80 divisors (see below), whose sum is σ = 582754777162800. Its totient is φ = 69077892980736.

The previous prime is 212990170080767. The next prime is 212990170080769. The reversal of 212990170080768 is 867080071099212.

It is an interprime number because it is at equal distance from previous prime (212990170080767) and next prime (212990170080769).

It is a super-3 number, since 3×212990170080768³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212990170080767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873800943 + ... + 1873914606.

It is an arithmetic number, because the mean of its divisors is an integer number (7284434714535).

Almost surely, 2^{212990170080768} is an apocalyptic number.

It is an amenable number.

212990170080768 is an abundant number, since it is smaller than the sum of its proper divisors (369764607082032).

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

212990170080768 is an equidigital number, since it uses as much as digits as its factorization.

212990170080768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747715607 (or 3747715591 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 212990170080768 in words is "two hundred twelve trillion, nine hundred ninety billion, one hundred seventy million, eighty thousand, seven hundred sixty-eight".