120403435240000 has 280 divisors, whose sum is σ = 326075761205568. Its totient is φ = 43733003520000.

The previous prime is 120403435239917. The next prime is 120403435240009. The reversal of 120403435240000 is 42534304021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120403435240009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 385723989 + ... + 386036011.

Almost surely, 2^{120403435240000} is an apocalyptic number.

120403435240000 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 120403435240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163037880602784).

120403435240000 is an abundant number, since it is smaller than the sum of its proper divisors (205672325965568).

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

120403435240000 is an equidigital number, since it uses as much as digits as its factorization.

120403435240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312943 (or 312918 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 120403435240000 its reverse (42534304021), we get a palindrome (120445969544021).

The spelling of 120403435240000 in words is "one hundred twenty trillion, four hundred three billion, four hundred thirty-five million, two hundred forty thousand".