121900845308760 has 288 divisors, whose sum is σ = 476751548660400. Its totient is φ = 26902255403520.

The previous prime is 121900845308689. The next prime is 121900845308791. The reversal of 121900845308760 is 67803548009121.

121900845308760 is a `hidden beast` number, since 1 + 2 + 190 + 0 + 84 + 5 + 308 + 76 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121900845308697 and 121900845308706.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 118634626 + ... + 119657745.

It is a 2-persistent number, because it is pandigital, and so is 2⋅121900845308760 = 243801690617520, but 3⋅121900845308760 = 365702535926280 is not.

Almost surely, 2^{121900845308760} is an apocalyptic number.

121900845308760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121900845308760 is an abundant number, since it is smaller than the sum of its proper divisors (354850703351640).

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

121900845308760 is a wasteful number, since it uses less digits than its factorization.

121900845308760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238292431 (or 238292417 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 121900845308760 in words is "one hundred twenty-one trillion, nine hundred billion, eight hundred forty-five million, three hundred eight thousand, seven hundred sixty".