121420301024 has 96 divisors (see below), whose sum is σ = 270011169792. Its totient is φ = 53247744000.

The previous prime is 121420301011. The next prime is 121420301027. The reversal of 121420301024 is 420103024121.

121420301024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121420300987 and 121420301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121420301027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595064 + ... + 3628680.

It is an arithmetic number, because the mean of its divisors is an integer number (2812616352).

Almost surely, 2^121420301024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121420301024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135005584896).

121420301024 is an abundant number, since it is smaller than the sum of its proper divisors (148590868768).

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

121420301024 is a wasteful number, since it uses less digits than its factorization.

121420301024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34000 (or 33992 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121420301024 its reverse (420103024121), we get a palindrome (541523325145).

The spelling of 121420301024 in words is "one hundred twenty-one billion, four hundred twenty million, three hundred one thousand, twenty-four".