120324312132420 has 48 divisors (see below), whose sum is σ = 367536080697408. Its totient is φ = 29169530213760.

The previous prime is 120324312132319. The next prime is 120324312132439. The reversal of 120324312132420 is 24231213423021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91154781259 + ... + 91154782578.

It is an arithmetic number, because the mean of its divisors is an integer number (7657001681196).

Almost surely, 2^{120324312132420} is an apocalyptic number.

120324312132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120324312132420 is an abundant number, since it is smaller than the sum of its proper divisors (247211768564988).

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

120324312132420 is a wasteful number, since it uses less digits than its factorization.

120324312132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182309563860 (or 182309563858 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 120324312132420 its reverse (24231213423021), we get a palindrome (144555525555441).

The spelling of 120324312132420 in words is "one hundred twenty trillion, three hundred twenty-four billion, three hundred twelve million, one hundred thirty-two thousand, four hundred twenty".