121361340024 has 48 divisors (see below), whose sum is σ = 329070661920. Its totient is φ = 40406555520.

The previous prime is 121361339999. The next prime is 121361340049. The reversal of 121361340024 is 420043163121.

It is a happy number.

121361340024 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 613 + 40 + 0 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (121361339999) and next prime (121361340049).

It is a self number, because there is not a number n which added to its sum of digits gives 121361340024.

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 11 ways as a sum of consecutive naturals, for example, 921712 + ... + 1045119.

It is an arithmetic number, because the mean of its divisors is an integer number (6855638790).

Almost surely, 2^121361340024 is an apocalyptic number.

It is an amenable number.

121361340024 is an abundant number, since it is smaller than the sum of its proper divisors (207709321896).

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

121361340024 is a wasteful number, since it uses less digits than its factorization.

121361340024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967700 (or 1967693 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 121361340024 in words is "one hundred twenty-one billion, three hundred sixty-one million, three hundred forty thousand, twenty-four".