121013024340 has 192 divisors, whose sum is σ = 373798656000. Its totient is φ = 29063010816.

The previous prime is 121013024309. The next prime is 121013024351. The reversal of 121013024340 is 43420310121.

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 63 ways as a sum of consecutive naturals, for example, 46921171 + ... + 46923749.

It is an arithmetic number, because the mean of its divisors is an integer number (1946868000).

Almost surely, 2^121013024340 is an apocalyptic number.

121013024340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121013024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186899328000).

121013024340 is an abundant number, since it is smaller than the sum of its proper divisors (252785631660).

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

121013024340 is a wasteful number, since it uses less digits than its factorization.

121013024340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121013024340 its reverse (43420310121), we get a palindrome (164433334461).

The spelling of 121013024340 in words is "one hundred twenty-one billion, thirteen million, twenty-four thousand, three hundred forty".