121788359382836 has 12 divisors (see below), whose sum is σ = 213131117603712. Its totient is φ = 60893754353208.

The previous prime is 121788359382793. The next prime is 121788359382947. The reversal of 121788359382836 is 638283953887121.

It is a super-3 number, since 3×121788359382836³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105689870 + ... + 106835973.

It is an arithmetic number, because the mean of its divisors is an integer number (17760926466976).

Almost surely, 2^{121788359382836} is an apocalyptic number.

It is an amenable number.

121788359382836 is a deficient number, since it is larger than the sum of its proper divisors (91342758220876).

121788359382836 is a wasteful number, since it uses less digits than its factorization.

121788359382836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212669110 (or 212669108 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 74.

The spelling of 121788359382836 in words is "one hundred twenty-one trillion, seven hundred eighty-eight billion, three hundred fifty-nine million, three hundred eighty-two thousand, eight hundred thirty-six".