121000310424 has 96 divisors (see below), whose sum is σ = 374663970720. Its totient is φ = 34558668288.

The previous prime is 121000310411. The next prime is 121000310479. The reversal of 121000310424 is 424013000121.

121000310424 is a `hidden beast` number, since 1 + 210 + 0 + 0 + 31 + 0 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121000310397 and 121000310406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1356382 + ... + 1442834.

It is an arithmetic number, because the mean of its divisors is an integer number (3902749695).

Almost surely, 2^121000310424 is an apocalyptic number.

121000310424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121000310424 is an abundant number, since it is smaller than the sum of its proper divisors (253663660296).

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

121000310424 is a wasteful number, since it uses less digits than its factorization.

121000310424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89249 (or 89242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121000310424 its reverse (424013000121), we get a palindrome (545013310545).

The spelling of 121000310424 in words is "one hundred twenty-one billion, three hundred ten thousand, four hundred twenty-four".