120121244424 has 48 divisors (see below), whose sum is σ = 325647831600. Its totient is φ = 40001096544.

The previous prime is 120121244417. The next prime is 120121244431. The reversal of 120121244424 is 424442121021.

120121244424 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 212 + 4 + 442 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (120121244417) and next prime (120121244431).

It is a super-2 number, since 2×120121244424² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745254 + ... + 891989.

It is an arithmetic number, because the mean of its divisors is an integer number (6784329825).

Almost surely, 2^120121244424 is an apocalyptic number.

It is an amenable number.

120121244424 is an abundant number, since it is smaller than the sum of its proper divisors (205526587176).

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

120121244424 is a wasteful number, since it uses less digits than its factorization.

120121244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638274 (or 1638267 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 120121244424 its reverse (424442121021), we get a palindrome (544563365445).

The spelling of 120121244424 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred forty-four thousand, four hundred twenty-four".