121324200024 has 64 divisors (see below), whose sum is σ = 306390924000. Its totient is φ = 40032536576.

The previous prime is 121324200017. The next prime is 121324200061. The reversal of 121324200024 is 420002423121.

It is a super-2 number, since 2×121324200024² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 989872 + ... + 1105664.

Almost surely, 2^121324200024 is an apocalyptic number.

It is an amenable number.

121324200024 is an abundant number, since it is smaller than the sum of its proper divisors (185066723976).

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

121324200024 is a wasteful number, since it uses less digits than its factorization.

121324200024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116244 (or 116240 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 121324200024 its reverse (420002423121), we get a palindrome (541326623145).

The spelling of 121324200024 in words is "one hundred twenty-one billion, three hundred twenty-four million, two hundred thousand, twenty-four".