121412256 has 96 divisors (see below), whose sum is σ = 369008640. Its totient is φ = 34235136.

The previous prime is 121412251. The next prime is 121412267. The reversal of 121412256 is 652214121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121412251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51945 + ... + 54231.

It is an arithmetic number, because the mean of its divisors is an integer number (3843840).

Almost surely, 2^121412256 is an apocalyptic number.

121412256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121412256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184504320).

121412256 is an abundant number, since it is smaller than the sum of its proper divisors (247596384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121412256 is a wasteful number, since it uses less digits than its factorization.

121412256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386 (or 2378 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 121412256 is about 11018.7229750094. The cubic root of 121412256 is about 495.1698305127.

Adding to 121412256 its reverse (652214121), we get a palindrome (773626377).

The spelling of 121412256 in words is "one hundred twenty-one million, four hundred twelve thousand, two hundred fifty-six".