121355448436 has 12 divisors (see below), whose sum is σ = 212376150112. Its totient is φ = 60676548408.

The previous prime is 121355448367. The next prime is 121355448463. The reversal of 121355448436 is 634844553121.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36720 + ... + 494023.

Almost surely, 2^121355448436 is an apocalyptic number.

It is an amenable number.

121355448436 is a deficient number, since it is larger than the sum of its proper divisors (91020701676).

121355448436 is a wasteful number, since it uses less digits than its factorization.

121355448436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587910 (or 587908 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 121355448436 in words is "one hundred twenty-one billion, three hundred fifty-five million, four hundred forty-eight thousand, four hundred thirty-six".