121230364570256 has 40 divisors (see below), whose sum is σ = 236304214937280. Its totient is φ = 60248674369664.

The previous prime is 121230364570241. The next prime is 121230364570267. The reversal of 121230364570256 is 652075463032121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121230364570256.

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, 44411315 + ... + 47061933.

It is an arithmetic number, because the mean of its divisors is an integer number (5907605373432).

Almost surely, 2^{121230364570256} is an apocalyptic number.

121230364570256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121230364570256 is a deficient number, since it is larger than the sum of its proper divisors (115073850367024).

121230364570256 is a wasteful number, since it uses less digits than its factorization.

121230364570256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667911 (or 2667905 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 121230364570256 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred sixty-four million, five hundred seventy thousand, two hundred fifty-six".