121370180197 has 12 divisors (see below), whose sum is σ = 141895207200. Its totient is φ = 103508802936.

The previous prime is 121370180189. The next prime is 121370180203. The reversal of 121370180197 is 791081073121.

It is not a de Polignac number, because 121370180197 - 2³ = 121370180189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121370180167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6213723 + ... + 6233224.

It is an arithmetic number, because the mean of its divisors is an integer number (11824600600).

Almost surely, 2^121370180197 is an apocalyptic number.

It is an amenable number.

121370180197 is a deficient number, since it is larger than the sum of its proper divisors (20525027003).

121370180197 is a wasteful number, since it uses less digits than its factorization.

121370180197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447160 (or 12447153 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 40.

The spelling of 121370180197 in words is "one hundred twenty-one billion, three hundred seventy million, one hundred eighty thousand, one hundred ninety-seven".