121227963848 has 16 divisors (see below), whose sum is σ = 227655944880. Its totient is φ = 60519711888.

The previous prime is 121227963841. The next prime is 121227963863. The reversal of 121227963848 is 848369722121.

It is a self number, because there is not a number n which added to its sum of digits gives 121227963848.

It is not an unprimeable number, because it can be changed into a prime (121227963841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11778290 + ... + 11788577.

It is an arithmetic number, because the mean of its divisors is an integer number (14228496555).

Almost surely, 2^121227963848 is an apocalyptic number.

It is an amenable number.

121227963848 is a deficient number, since it is larger than the sum of its proper divisors (106427981032).

121227963848 is a wasteful number, since it uses less digits than its factorization.

121227963848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23567516 (or 23567512 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 121227963848 in words is "one hundred twenty-one billion, two hundred twenty-seven million, nine hundred sixty-three thousand, eight hundred forty-eight".