1242320313304 has 32 divisors (see below), whose sum is σ = 2667205105920. Its totient is φ = 531404961696.

The previous prime is 1242320313263. The next prime is 1242320313359. The reversal of 1242320313304 is 4033130232421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21179404 + ... + 21237979.

It is an arithmetic number, because the mean of its divisors is an integer number (83350159560).

Almost surely, 2^{1242320313304} is an apocalyptic number.

1242320313304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1242320313304 is an abundant number, since it is smaller than the sum of its proper divisors (1424884792616).

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

1242320313304 is a wasteful number, since it uses less digits than its factorization.

1242320313304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42417919 (or 42417915 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1242320313304 its reverse (4033130232421), we get a palindrome (5275450545725).

The spelling of 1242320313304 in words is "one trillion, two hundred forty-two billion, three hundred twenty million, three hundred thirteen thousand, three hundred four".