121793129944 has 16 divisors (see below), whose sum is σ = 228409776000. Its totient is φ = 60883856352.

The previous prime is 121793129923. The next prime is 121793129959. The reversal of 121793129944 is 449921397121.

121793129944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121793129891 and 121793129900.

It is a congruent number.

It is an unprimeable number.

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, 1547787 + ... + 1624570.

It is an arithmetic number, because the mean of its divisors is an integer number (14275611000).

Almost surely, 2^121793129944 is an apocalyptic number.

It is an amenable number.

121793129944 is a deficient number, since it is larger than the sum of its proper divisors (106616646056).

121793129944 is a wasteful number, since it uses less digits than its factorization.

121793129944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177162 (or 3177158 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The spelling of 121793129944 in words is "one hundred twenty-one billion, seven hundred ninety-three million, one hundred twenty-nine thousand, nine hundred forty-four".