121450868446 has 16 divisors (see below), whose sum is σ = 185384496528. Its totient is φ = 59665216000.

The previous prime is 121450868431. The next prime is 121450868479. The reversal of 121450868446 is 644868054121.

It is a self number, because there is not a number n which added to its sum of digits gives 121450868446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268355 + ... + 2321278.

It is an arithmetic number, because the mean of its divisors is an integer number (11586531033).

Almost surely, 2^121450868446 is an apocalyptic number.

121450868446 is a deficient number, since it is larger than the sum of its proper divisors (63933628082).

121450868446 is a wasteful number, since it uses less digits than its factorization.

121450868446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589867.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 121450868446 in words is "one hundred twenty-one billion, four hundred fifty million, eight hundred sixty-eight thousand, four hundred forty-six".