121280012852 has 24 divisors (see below), whose sum is σ = 215922763392. Its totient is φ = 59589669600.

The previous prime is 121280012831. The next prime is 121280012881. The reversal of 121280012852 is 258210082121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25577 + ... + 493167.

It is an arithmetic number, because the mean of its divisors is an integer number (8996781808).

Almost surely, 2^121280012852 is an apocalyptic number.

It is an amenable number.

121280012852 is a deficient number, since it is larger than the sum of its proper divisors (94642750540).

121280012852 is a wasteful number, since it uses less digits than its factorization.

121280012852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468719 (or 468717 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

Adding to 121280012852 its reverse (258210082121), we get a palindrome (379490094973).

The spelling of 121280012852 in words is "one hundred twenty-one billion, two hundred eighty million, twelve thousand, eight hundred fifty-two".