121224025104 has 120 divisors (see below), whose sum is σ = 392313015360. Its totient is φ = 31971163392.

The previous prime is 121224025103. The next prime is 121224025123. The reversal of 121224025104 is 401520422121.

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 (121224025103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951764 + ... + 2012915.

It is an arithmetic number, because the mean of its divisors is an integer number (3269275128).

Almost surely, 2^121224025104 is an apocalyptic number.

121224025104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121224025104 is an abundant number, since it is smaller than the sum of its proper divisors (271088990256).

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

121224025104 is a wasteful number, since it uses less digits than its factorization.

121224025104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964717 (or 3964704 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 121224025104 its reverse (401520422121), we get a palindrome (522744447225).

The spelling of 121224025104 in words is "one hundred twenty-one billion, two hundred twenty-four million, twenty-five thousand, one hundred four".