121280012882 has 128 divisors (see below), whose sum is σ = 223257600000. Its totient is φ = 48333314304.

The previous prime is 121280012881. The next prime is 121280012927. The reversal of 121280012882 is 288210082121.

It is not an unprimeable number, because it can be changed into a prime (121280012881) 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 63 ways as a sum of consecutive naturals, for example, 243045869 + ... + 243046367.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200000).

Almost surely, 2^121280012882 is an apocalyptic number.

121280012882 is a deficient number, since it is larger than the sum of its proper divisors (101977587118).

121280012882 is a wasteful number, since it uses less digits than its factorization.

121280012882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 8192, while the sum is 35.

The spelling of 121280012882 in words is "one hundred twenty-one billion, two hundred eighty million, twelve thousand, eight hundred eighty-two".