121698130600 has 48 divisors (see below), whose sum is σ = 283035456000. Its totient is φ = 48664232640.

The previous prime is 121698130577. The next prime is 121698130601. The reversal of 121698130600 is 6031896121.

It is a self number, because there is not a number n which added to its sum of digits gives 121698130600.

It is not an unprimeable number, because it can be changed into a prime (121698130601) 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 11 ways as a sum of consecutive naturals, for example, 567577 + ... + 752023.

It is an arithmetic number, because the mean of its divisors is an integer number (5896572000).

Almost surely, 2^121698130600 is an apocalyptic number.

121698130600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121698130600 is an abundant number, since it is smaller than the sum of its proper divisors (161337325400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121698130600 is a wasteful number, since it uses less digits than its factorization.

121698130600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187762 (or 187753 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 121698130600 in words is "one hundred twenty-one billion, six hundred ninety-eight million, one hundred thirty thousand, six hundred".