121165161206 has 8 divisors (see below), whose sum is σ = 181756136304. Its totient is φ = 60579782440.

The previous prime is 121165161199. The next prime is 121165161209. The reversal of 121165161206 is 602161561121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121165161209) 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 3 ways as a sum of consecutive naturals, for example, 1344530 + ... + 1431813.

It is an arithmetic number, because the mean of its divisors is an integer number (22719517038).

Almost surely, 2^121165161206 is an apocalyptic number.

121165161206 is a deficient number, since it is larger than the sum of its proper divisors (60590975098).

121165161206 is a wasteful number, since it uses less digits than its factorization.

121165161206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798166.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 121165161206 in words is "one hundred twenty-one billion, one hundred sixty-five million, one hundred sixty-one thousand, two hundred six".