120421200336 has 80 divisors (see below), whose sum is σ = 322543373760. Its totient is φ = 38668564480.

The previous prime is 120421200329. The next prime is 120421200337. The reversal of 120421200336 is 633002124021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421200337) 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, 519016 + ... + 714296.

It is an arithmetic number, because the mean of its divisors is an integer number (4031792172).

Almost surely, 2^120421200336 is an apocalyptic number.

120421200336 is a gapful number since it is divisible by the number (16) 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 120421200336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161271686880).

120421200336 is an abundant number, since it is smaller than the sum of its proper divisors (202122173424).

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

120421200336 is a wasteful number, since it uses less digits than its factorization.

120421200336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195764 (or 195758 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120421200336 its reverse (633002124021), we get a palindrome (753423324357).

The spelling of 120421200336 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred thousand, three hundred thirty-six".