120402420140324 has 192 divisors, whose sum is σ = 273877616710656. Its totient is φ = 45094163152896.

The previous prime is 120402420140323. The next prime is 120402420140333. The reversal of 120402420140324 is 423041024204021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120402420140323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175054682 + ... + 175741134.

It is an arithmetic number, because the mean of its divisors is an integer number (1426445920368).

Almost surely, 2^{120402420140324} is an apocalyptic number.

120402420140324 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 120402420140324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136938808355328).

120402420140324 is an abundant number, since it is smaller than the sum of its proper divisors (153475196570332).

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

120402420140324 is a wasteful number, since it uses less digits than its factorization.

120402420140324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686974 (or 686972 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 120402420140324 its reverse (423041024204021), we get a palindrome (543443444344345).

The spelling of 120402420140324 in words is "one hundred twenty trillion, four hundred two billion, four hundred twenty million, one hundred forty thousand, three hundred twenty-four".