121702061716669 has 8 divisors (see below), whose sum is σ = 139099108493888. Its totient is φ = 104307774429600.

The previous prime is 121702061716661. The next prime is 121702061716679. The reversal of 121702061716669 is 966617160207121.

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

It is not a de Polignac number, because 121702061716669 - 2³ = 121702061716661 is a prime.

It is a super-2 number, since 2×121702061716669² (a number of 29 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 (121702061716661) 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, 689778027 + ... + 689954440.

It is an arithmetic number, because the mean of its divisors is an integer number (17387388561736).

Almost surely, 2^{121702061716669} is an apocalyptic number.

It is an amenable number.

121702061716669 is a deficient number, since it is larger than the sum of its proper divisors (17397046777219).

121702061716669 is a wasteful number, since it uses less digits than its factorization.

121702061716669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379745075.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 121702061716669 in words is "one hundred twenty-one trillion, seven hundred two billion, sixty-one million, seven hundred sixteen thousand, six hundred sixty-nine".