212988134701 has 8 divisors (see below), whose sum is σ = 221202378360. Its totient is φ = 204903249408.

The previous prime is 212988134677. The next prime is 212988134741. The reversal of 212988134701 is 107431889212.

It can be written as a sum of positive squares in 4 ways, for example, as 111172897476 + 101815237225 = 333426^2 + 319085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212988134701 - 2⁵ = 212988134669 is a prime.

It is a super-2 number, since 2×212988134701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212988134741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32336236 + ... + 32342821.

It is an arithmetic number, because the mean of its divisors is an integer number (27650297295).

Almost surely, 2^212988134701 is an apocalyptic number.

It is an amenable number.

212988134701 is a deficient number, since it is larger than the sum of its proper divisors (8214243659).

212988134701 is an equidigital number, since it uses as much as digits as its factorization.

212988134701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64679183.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 212988134701 in words is "two hundred twelve billion, nine hundred eighty-eight million, one hundred thirty-four thousand, seven hundred one".