1204240312420 has 24 divisors (see below), whose sum is σ = 2529040054464. Its totient is φ = 481670334816.

The previous prime is 1204240312409. The next prime is 1204240312433. The reversal of 1204240312420 is 242130424021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226752 + ... + 1978231.

It is an arithmetic number, because the mean of its divisors is an integer number (105376668936).

Almost surely, 2^{1204240312420} is an apocalyptic number.

1204240312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204240312420 is an abundant number, since it is smaller than the sum of its proper divisors (1324799742044).

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

1204240312420 is a wasteful number, since it uses less digits than its factorization.

1204240312420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223779 (or 3223777 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1204240312420 its reverse (242130424021), we get a palindrome (1446370736441).

The spelling of 1204240312420 in words is "one trillion, two hundred four billion, two hundred forty million, three hundred twelve thousand, four hundred twenty".