121702061716610 has 8 divisors (see below), whose sum is σ = 219063711089916. Its totient is φ = 48680824686640.

The previous prime is 121702061716597. The next prime is 121702061716649. The reversal of 121702061716610 is 16617160207121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115526404319041 + 6175657397569 = 10748321^2 + 2485087^2 .

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

It is a super-3 number, since 3×121702061716610³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085103085821 + ... + 6085103085840.

Almost surely, 2^{121702061716610} is an apocalyptic number.

121702061716610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121702061716610 is a deficient number, since it is larger than the sum of its proper divisors (97361649373306).

121702061716610 is a wasteful number, since it uses less digits than its factorization.

121702061716610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170206171668.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 121702061716610 in words is "one hundred twenty-one trillion, seven hundred two billion, sixty-one million, seven hundred sixteen thousand, six hundred ten".