121844708982 has 48 divisors (see below), whose sum is σ = 268980362352. Its totient is φ = 39852933120.

The previous prime is 121844708977. The next prime is 121844709013. The reversal of 121844708982 is 289807448121.

121844708982 is a `hidden beast` number, since 1 + 2 + 1 + 84 + 470 + 8 + 98 + 2 = 666.

It is a super-2 number, since 2×121844708982² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113382 + ... + 506502.

It is an arithmetic number, because the mean of its divisors is an integer number (5603757549).

Almost surely, 2^121844708982 is an apocalyptic number.

121844708982 is an abundant number, since it is smaller than the sum of its proper divisors (147135653370).

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

121844708982 is a wasteful number, since it uses less digits than its factorization.

121844708982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393453 (or 393450 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 121844708982 in words is "one hundred twenty-one billion, eight hundred forty-four million, seven hundred eight thousand, nine hundred eighty-two".