121229496024 has 192 divisors, whose sum is σ = 387164989440. Its totient is φ = 30941015040.

The previous prime is 121229496023. The next prime is 121229496049. The reversal of 121229496024 is 420694922121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121229496023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811284 + ... + 949020.

It is an arithmetic number, because the mean of its divisors is an integer number (2016484320).

Almost surely, 2^121229496024 is an apocalyptic number.

121229496024 is a gapful number since it is divisible by the number (14) 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 121229496024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193582494720).

121229496024 is an abundant number, since it is smaller than the sum of its proper divisors (265935493416).

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

121229496024 is a wasteful number, since it uses less digits than its factorization.

121229496024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137810 (or 137793 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 121229496024 in words is "one hundred twenty-one billion, two hundred twenty-nine million, four hundred ninety-six thousand, twenty-four".